ceph-disk is not available in Nautilus. why scrub first? It is a new disk not having any data yet. Scrubbing is verifying pg's not? I just created a vm on the ceph node where I want to add this osd. Did a passthru of the disk and installed a few rpm's with nodeps to get the ceph-disk command. -----Original Message----- Sent: 01 March 2020 17:47 Subject: Re: [ceph-users] Is it ok to add a luminous ceph-disk osd to nautilus still? Ensure that it gets scrubbed at least once by Luminous first. But how and why are you doing this ? Why not use Nautilus binaries ?

On Mar 1, 2020, at 8:36 AM, Marc Roos <M.Roos@f1-outsourcing.eu> wrote:

 If I create and osd with luminous 12.0.3 binaries, can I just add it to an existing Nautilus cluster?

I sort of did this already, just wondered if there are any drawbacks.

[@test2 software]# ceph-disk prepare --bluestore --zap-disk /dev/sdb Creating new GPT entries. GPT data structures destroyed! You may now partition the disk using fdisk or other utilities. Creating new GPT entries. The operation has completed successfully. Setting name! partNum is 0 REALLY setting name! The operation has completed successfully. Setting name! partNum is 1 REALLY setting name! The operation has completed successfully. The operation has completed successfully. meta-data=/dev/sdb1 isize=2048 agcount=4, agsize=6400 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0, sparse=0 data = bsize=4096 blocks=25600, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal log bsize=4096 blocks=864, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 The operation has completed successfully.

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