- ceph-users - lists.ceph.io

bug of the year (with compressed omap and lz 1.7(?))
by Marc Roos 05 Sep '20

05 Sep '20

I am still running 14.2.9 with lz4-1.7.5-3. Will I run into this bug enabling compression on a pool with: ceph osd pool set POOL_NAME compression_algorithm COMPRESSION_ALGORITHM ceph osd pool set POOL_NAME compression_mode COMPRESSION_MODE

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Assignment Help, Essay Help and Dissertation Help
by australianassignmenthelp1＠gmail.com 05 Sep '20

05 Sep '20

Students are often faced with the issue of preparing their assignment during their studies. They often seek for help from professional service providers and one such service provider is Student Life Saviour that offers assistance at: https://studentlifesaviour.com/sg

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Migrating Luminous → Nautilus "Required devices (data, and journal) not present for filestore"
by Stuart Longland 05 Sep '20

05 Sep '20

Hi all, I'm trying to migrate my 5-node cluster to Nautilus… Debian Stretch (I intend to update this once I'm onto Nautilus) as the OS, all 5 machines are combined OSD/MON/MDS nodes. Nodes were originally deployed with an earlier version of Ceph (can't recall now) using filestore on btrfs. Later, after an abortive attempt to move to Bluestore (it ran… veeeeerrryyy ssslllooowwwlllyyy), I moved back to filestore on xfs, which whilst no speed demon, worked well enough. Journal is on the OSD due to space constraints elsewhere in the nodes. So step 1: > If you are unsure whether or not your Luminous cluster has completed a full scrub of all PGs, you can check your cluster’s state by running: > > # ceph osd dump | grep ^flags > > In order to be able to proceed to Nautilus, your OSD map must include the recovery_deletes and purged_snapdirs flags. Tick to that, I see both flags. Step 2. > Make sure your cluster is stable and healthy (no down or recovering OSDs). (Optional, but recommended.) Tick, all healthy. Step 3. > Set the noout flag for the duration of the upgrade. (Optional, but recommended.): Done Step 4. > Upgrade monitors by installing the new packages and restarting the monitor daemons. Okay, so I update /etc/apt/sources.list.d/ceph.list to point to the `nautilus` repository, `apt-get update`, `apt-get dist-upgrade -y`. This goes without a hitch, I now have Ceph 12 binaries on my nodes. > systemctl restart ceph-mon.target Ran that, on all of them (and yes, they are all in the quorum)… > # ceph mon dump | grep min_mon_release > > should report: > > min_mon_release 14 (nautilus) I get this:> root@helium:~# ceph mon dump | grep min_mon_release > dumped monmap epoch 4 No `min_mon_release` mentioned anywhere. I tried re-starting the MON daemons on all 5 nodes, even doing it in parallel using Ansible… no dice. Nothing says what to do at this point. It's not reporting an earlier release, it's just not reporting full stop. Figuring that, well, I *did* update all the monitors, and re-start them, I press on. Step 5. > Upgrade ceph-mgr daemons by installing the new packages and restarting all manager daemons. Done, no issues. > Verify the ceph-mgr daemons are running by checking ceph -s: I get: > root@helium:~# ceph -s > cluster: > id: 45b532b7-aa3d-4754-9906-d4a70b57630c > health: HEALTH_WARN > noout flag(s) set > > services: > mon: 5 daemons, quorum hydrogen,helium,carbon,nitrogen,boron > mgr: hydrogen(active), standbys: carbon, helium > mds: cephfs-1/1/1 up {0=helium=up:active}, 2 up:standby > osd: 5 osds: 5 up, 5 in > flags noout > > data: > pools: 4 pools, 324 pgs > objects: 302.75k objects, 1.13TiB > usage: 3.52TiB used, 5.53TiB / 9.05TiB avail > pgs: 323 active+clean > 1 active+clean+scrubbing+deep > > io: > client: 45.0KiB/s rd, 1.10MiB/s wr, 1op/s rd, 38op/s wr So far so good. Step 6. > Upgrade all OSDs by installing the new packages and restarting the ceph-osd daemons on all OSD hosts: > systemctl restart ceph-osd.target I actually missed this step at first and went on to step 7, but doubled back and did it. Step 7. > If there are any OSDs in the cluster deployed with ceph-disk (e.g., almost any OSDs that were created before the Mimic release), you need to tell ceph-volume to adopt responsibility for starting the daemons. Okay, seems simple enough. Now I did this by mistake earlier, so I'll force it to ensure everything is up to scratch. > root@hydrogen:~# ceph-volume simple scan --force > stderr: lsblk: /var/lib/ceph/osd/ceph-5: not a block device > stderr: Unknown device, --name=, --path=, or absolute path in /dev/ or /sys expected. > Running command: /sbin/cryptsetup status /dev/sdc1 > --> OSD 5 got scanned and metadata persisted to file: /etc/ceph/osd/5-2a1e6a2b-7742-4cd9-9a39-e4a35ebe74fe.json > --> To take over managment of this scanned OSD, and disable ceph-disk and udev, run: > --> ceph-volume simple activate 5 2a1e6a2b-7742-4cd9-9a39-e4a35ebe74fe > root@hydrogen:~# ceph-volume simple activate --all > --> activating OSD specified in /etc/ceph/osd/5-2a1e6a2b-7742-4cd9-9a39-e4a35ebe74fe.json > --> Required devices (data, and journal) not present for filestore > --> filestore devices found: [u'data'] > --> RuntimeError: Unable to activate filestore OSD due to missing devices Uhh ohh? So, my journal is on the OSD itself: > root@hydrogen:~# ls -l /var/lib/ceph/osd/ceph-5/journal > -rw-r--r-- 1 ceph ceph 21474836480 Aug 29 14:16 /var/lib/ceph/osd/ceph-5/journal > root@hydrogen:~# cat /etc/ceph/osd/5-2a1e6a2b-7742-4cd9-9a39-e4a35ebe74fe.json > { > "active": "ok", > "ceph_fsid": "45b532b7-aa3d-4754-9906-d4a70b57630c", > "cluster_name": "ceph", > "data": { > "path": "/dev/sdc1", > "uuid": "2a1e6a2b-7742-4cd9-9a39-e4a35ebe74fe" > }, > "fsid": "2a1e6a2b-7742-4cd9-9a39-e4a35ebe74fe", > "keyring": "…censored…", > "magic": "ceph osd volume v026", > "ready": "ready", > "require_osd_release": "", > "systemd": "", > "type": "filestore", > "whoami": 5 > } How do I tell it that the journal is on `/dev/sdc1` as a file within the XFS file store? -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere.

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RadosGW and DNS Round-Robin
by DHilsbos＠performair.com 04 Sep '20

04 Sep '20

All; We've been running RadosGW on our nautilus cluster for a while, and we're going to be adding iSCSI capabilities to our cluster, via 2 additional servers. I intend to also run RadosGW on these servers. That begs the question of how to "load balance" these servers. I don't believe that we need true load balancing (i.e. through a dedicated proxy), and I'd rather not add the complexity and single point of failure. The question then is: Does RadosGW play nice with round-robin DNS? The real question here is whether RadosGW maintains internal client state locally between connections. I would expect it's safe, given that it is HTTP, but I'd prefer to verify. Thank you, Dominic L. Hilsbos, MBA Director - Information Technology Perform Air International Inc. DHilsbos(a)PerformAir.com www.PerformAir.com

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Ceph iSCSI Questions
by DHilsbos＠performair.com 04 Sep '20

04 Sep '20

All; We've used iSCSI to support virtualization for a while, and have used multi-pathing almost the entire time. Now, I'm looking to move from our single box iSCSI hosts to iSCSI on Ceph. We have 2 independent, non-routed, subnets assigned to iSCSI (let's call them 192.168.250.0/24 and 192.168.251.0/24). These subnets are hosted in VLANs 250 and 251, respectively, on our switches. Currently; each target and each initiator have a dedicated network port for each subnet (i.e. 2 NIC per target & 2 NIC per initiator). I have 2 server prepared to setup as Ceph iSCSI targets (let's call them ceph-iscsi1 & cpeh-iscsi2), and I'm wondering about their network configurations. My initial plan is to configure one on the 250 network, and the other on the 251 network. Would it be possible to have both servers on both networks? In other words, can I give ceph-iscsi1 both 192.168.250.200 and 192.168.251.200, and ceph-iscsi2 192.168.250.201 and 192.168.251.201? If that works, I would expect the initiators to see 4 paths to each portal, correct? Thank you, Dominic L. Hilsbos, MBA Director - Information Technology Perform Air International Inc. DHilsbos(a)PerformAir.com www.PerformAir.com

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Re: cephadm & iSCSI
by Robert Sander 04 Sep '20

04 Sep '20

Hi, I am using 15.2.4 as .5 has not been released. Regards -- Robert Sander Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin https://www.heinlein-support.de Tel: 030 / 405051-43 Fax: 030 / 405051-19 Amtsgericht Berlin-Charlottenburg - HRB 93818 B Geschäftsführer: Peer Heinlein - Sitz: Berlin

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cephadm & iSCSI
by Robert Sander 04 Sep '20

04 Sep '20

Hi, yes, I have read https://docs.ceph.com/docs/octopus/cephadm/stability/ and know that the iSCSI support is still under development. But why is the command "ceph orch apply iscsi" available when cephadmin is the orchestrator backend? I am at the stage that I successfully rolled out an iSCSI gateway which is visible in the Ceph dashboard. But when trying to setup a target an error occurs: Sep 04 15:15:58 ceph02 rbd-target-api[124040]: Unable to create the Target definition - Could not load module: iscsi_target_mod Sep 04 15:15:58 ceph02 rbd-target-api[124040]: Unhandled Exception Traceback (most recent call last): File "/usr/lib/python3.6/site-packages/rtslib_fb/node.py", line 71, in _create_in_cfs_ine os.mkdir(self.path) FileNotFoundError: [Errno 2] No such file or directory: '/sys/kernel/config/target/iscsi' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3.6/site-packages/rtslib_fb/fabric.py", line 156, in _check_self self._create_in_cfs_ine('any') File "/usr/lib/python3.6/site-packages/rtslib_fb/node.py", line 74, in _create_in_cfs_ine % self.__class__.__name__) rtslib_fb.utils.RTSLibError: Could not create ISCSIFabricModule in configFS During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3.6/site-packages/rtslib_fb/utils.py", line 432, in modprobe kmod.Kmod().modprobe(module) File "kmod/kmod.pyx", line 106, in kmod.kmod.Kmod.modprobe File "kmod/kmod.pyx", line 82, in lookup kmod.error.KmodError: Could not modprobe During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3.6/site-packages/flask/app.py", line 1612, in full_dispatch_request rv = self.dispatch_request() File "/usr/lib/python3.6/site-packages/flask/app.py", line 1598, in dispatch_request return self.view_functions[rule.endpoint](**req.view_args) File "/usr/bin/rbd-target-api", line 106, in decorated return f(*args, **kwargs) File "/usr/bin/rbd-target-api", line 304, in target target.manage('init') File "/usr/lib/python3.6/site-packages/ceph_iscsi_config/target.py", line 710, in manage 'mutual_password_encryption_enabled']) File "/usr/lib/python3.6/site-packages/ceph_iscsi_config/discovery.py", line 14, in set_discovery_auth_lio iscsi_fabric.clear_discovery_auth_settings() File "/usr/lib/python3.6/site-packages/rtslib_fb/fabric.py", line 224, in clear_discovery_auth_settings self._check_self() File "/usr/lib/python3.6/site-packages/rtslib_fb/fabric.py", line 158, in _check_self modprobe(self.kernel_module) File "/usr/lib/python3.6/site-packages/rtslib_fb/utils.py", line 434, in modprobe raise RTSLibError("Could not load module: %s" % module) rtslib_fb.utils.RTSLibError: Could not load module: iscsi_target_mod Solution: "modprobe iscsi_target_mod" on the host itself, the container is not allowed to do that. Regards -- Robert Sander Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin http://www.heinlein-support.de Tel: 030 / 405051-43 Fax: 030 / 405051-19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin

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how to reduce osd down interval on laggy disk ?
by Alexandre DERUMIER 04 Sep '20

04 Sep '20

Hi, I have sometime laggy ssd drives (intel s3610), maybe a firmware bug or controller bug. (I have tested with differents firmware, don't help). When this occur, I have this kind of error Aug 29 15:43:37 ceph5-7 kernel: [447163.801090] sd 0:0:3:0: Power-on or device reset occurred Just before this, the disk is lagging for 1-2min, and iowait increase a lot. Then monitor is mark it down. (at almost the same time than the disk reset, not sure it's related) Is it possible to reduce the threshold to force the osd down faster ? (maybe 30s for example). (I'm running ceph nautilus 14.2.6) The osd log is: 020-08-29 15:43:37.610 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x5618a5f27200, latency = 93.062018 2020-08-29 15:43:37.610 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x5618a2956c00, latency = 93.031658 2020-08-29 15:43:37.610 7fa1025b7700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0x10543123000~1000 (direct) since 447078s, timeout is 5s 2020-08-29 15:43:37.610 7fa1025b7700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 93.0167s, num_ios = 3072 2020-08-29 15:43:37.642 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x56197c0f1200, latency = 92.892911 2020-08-29 15:43:37.642 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x56194151db00, latency = 82.923060 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x56197c0f0900, latency = 92.611975 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x56190ea76000, latency = 92.439439 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x561964172000, latency = 92.861119 2020-08-29 15:43:37.646 7fa0fedb0700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0xf10fa5c000~1000 (direct) since 447091s, timeout is 5s 2020-08-29 15:43:37.646 7fa0fd5ad700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0xe08a1000~1000 (direct) since 447079s, timeout is 5s 2020-08-29 15:43:37.646 7fa0fedb0700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 79.5633s, num_ios = 2048 2020-08-29 15:43:37.646 7fa0fd5ad700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 92.3464s, num_ios = 18 2020-08-29 15:43:37.646 7fa1045bb700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0x103a3da1000~1000 (direct) since 447078s, timeout is 5s 2020-08-29 15:43:37.646 7fa0ffdb2700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0x100a4d26000~1000 (direct) since 447078s, timeout is 5s 2020-08-29 15:43:37.646 7fa0ffdb2700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 93.022s, num_ios = 1024 2020-08-29 15:43:37.646 7fa1045bb700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 92.5954s, num_ios = 1536 2020-08-29 15:43:37.646 7fa1005b3700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0x1003a505000~1000 (direct) since 447079s, timeout is 5s 2020-08-29 15:43:37.646 7fa101db6700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0x1012ea45000~1000 (direct) since 447080s, timeout is 5s 2020-08-29 15:43:37.646 7fa1005b3700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 92.3891s, num_ios = 3584 2020-08-29 15:43:37.646 7fa101db6700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 91.1452s, num_ios = 2048 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x56191dbce300, latency = 82.924723 2020-08-29 15:43:37.646 7fa0fcdac700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) read stalled read 0xfe7a8b7000~1000 (direct) since 447083s, timeout is 5s 2020-08-29 15:43:37.646 7fa0fcdac700 0 bluestore(/var/lib/ceph/osd/ceph-43) log_latency_fn slow operation observed for _do_read, latency = 87.9135s, num_ios = 512 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x56196a946300, latency = 82.923270 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x5618c70d8f00, latency = 92.344641 2020-08-29 15:43:37.646 7fa129e17700 0 bluestore(/var/lib/ceph/osd/ceph-43) _txc_state_proc slow aio_wait, txc = 0x5619748d1500, latency = 92.333448 d for _txc_committed_kv, latency = 91.2568s, txc = 0x56196ab26f00 2020-08-29 15:43:37.774 7fa10e5cf700 0 log_channel(cluster) log [WRN] : Monitor daemon marked osd.43 down, but it is still running ..... ..... 2020-08-29 15:43:37.774 7fa10e5cf700 0 log_channel(cluster) log [DBG] : map e604017 wrongly marked me down at e604016 2020-08-29 15:43:39.494 7fa0fd5ad700 -1 bdev(0x5618a06c4000 /var/lib/ceph/osd/ceph-43/block) aio_submit retries 15 monitor logs --------------- mon1 ---- 2020-08-29 15:43:09.836 7f3ed3030700 0 log_channel(audit) log [DBG] : from='client.835295911 X.X.0.43:0/3364930077' entity='client.admin' cmd=[{"prefix":"df","format":"json"}]: dispatch 2020-08-29 15:43:10.140 7f3ed5835700 0 log_channel(cluster) log [WRN] : Health check update: 715 slow ops, oldest one blocked for 62 sec, daemons [osd.13,osd.14,osd.15,osd.16,osd.17,osd.20,osd.22,osd.23,osd.26,osd.27]... have slow ops. (SLOW_OPS) mon2 ---- 2020-08-29 15:43:20.140 7f3ed5835700 0 log_channel(cluster) log [WRN] : Health check update: 817 slow ops, oldest one blocked for 73 sec, daemons [osd.13,osd.14,osd.15,osd.16,osd.17,osd.20,osd.22,osd.23,osd.26,osd.27]... have slow ops. (SLOW_OPS) mon3 ------ 2020-08-29 15:43:08.066 7f3d213c5700 0 mon.ceph5-2@1(peon) e5 handle_command mon_command({"prefix": "osd blacklist", "blacklistop": "add", "addr": "10.5.0.93:0/955438826"} v 0) v1 2020-08-29 15:43:08.066 7f3d213c5700 0 log_channel(audit) log [INF] : from='client.835295776 X.X.0.92:0/2918303586' entity='client.admin' cmd=[{"prefix": "osd blacklist", "blacklistop": "add", "addr": "10.5.0.93:0/955438826"}]: dispatch 2020-08-29 15:43:09.974 7f3d213c5700 0 mon.ceph5-2@1(peon) e5 handle_command mon_command({"format":"json","prefix":"df"} v 0) v1 2020-08-29 15:43:09.974 7f3d213c5700 0 log_channel(audit) log [DBG] : from='client.? X.X.0.44:0/728500154' entity='client.admin' cmd=[{"format":"json","prefix":"df"}]: dispatch 2020-08-29 15:43:10.330 7f3d213c5700 0 mon.ceph5-2@1(peon) e5 handle_command mon_command({"format":"json","prefix":"df"} v 0) v1 2020-08-29 15:43

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Multipart upload issue from Java SDK clients
by shubjero 04 Sep '20

04 Sep '20

Good day, I am having an issue with some multipart uploads to radosgw. I recently upgraded my cluster from Mimic to Nautilus and began having problems with multipart uploads from clients using the Java AWS SDK (specifically 1.11.219). I do NOT have issues with multipart uploads with other clients such as the aws2 cli. The error that surfaces is http error 500. Small files that are not multipart uploads work fine with the Java client. I enabled debugging for debug_ms = 1 and debug_rgw = 20 and then performed a multipart upload with the offending client and this is what I see (full log @ https://object.cancercollaboratory.org:9080/swift/v1/ceph-debug-pub/filtere… ) - just a snippet - 2020-09-02 18:03:43.339 7f9277474700 1 -- 172.25.13.93:0/458188962 --> [v2:172.25.12.152:6936/12180,v1:172.25.12.152:6937/12180] -- osd_op(unknown.0.0:6331 17.325 17:a4c2f681:::2020-09-02-18-default.262831163.2-score-rdpc-collab-qa:head [append 0~817] snapc 0=[] ondisk+write+known_if_redirected e1493993) v8 -- 0x55e9fefb9000 con 0x55e9f3e61f80 2020-09-02 18:03:43.339 7f9277474700 2 req 1714 70.432s s3:put_obj op status=-35 2020-09-02 18:03:43.339 7f9277474700 2 req 1714 70.432s s3:put_obj http status=500 haproxy log: Sep 2 13:33:36 localhost haproxy[14495]: 206.108.127.16:46088 [02/Sep/2020:13:32:06.263] radosgw_public_https_11~ radosgw_public_https_11/storage2-r5 0/0/0/71677/89948 500 477 - - ---- 12/12/11/1/0 0/0 {} "PUT /score-rdpc-collab-qa/data/1c9e4395-677c-55c1-8437-b6467c806173?uploadId=2~zTiBm6p4sB2SyMu2cJ_dwd3ECMpELh3&partNumber=1&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20200902T173202Z&X-Amz-SignedHeaders=host&X-Amz-Expires=518400&X-Amz-Credential=TO1DRTS4H14HJ388I26R%2F20200902%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=225b6f111cc342c97ad48f8a39f34af044647ac04da532ef949d770509e65f76 HTTP/1.1" Does anyone know if there may be incompatiblities with Java AWS SDK v1? I see that v2 is out so one of our devs is going to run some tests using Java AWS SDK v2 but this may take a bit of time. Thanks all, Jared Baker Ontario Institute for Cancer Research

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Change Roadrunner Email Password | RR Email Help
by elouisesng5445＠gmail.com 04 Sep '20

04 Sep '20

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