I know that for filestore journals that is fine. I think it is also safe for bluestore. Doing Wido's recommendation of writing 100MB would be a good idea, but not necessary.
On Wed, Jan 31, 2018, 10:10 PM shadow_lin <[email protected]> wrote: > Hi David, > Thanks for your reply. > I am wondering what if I don't remove the journal(wal,db for bluestore) > partion on the ssd and only zap the data disk.Then I assign the > journal(wal,db for bluestore) partion to a new osd.What would happen? > > 2018-02-01 > ------------------------------ > lin.yunfan > ------------------------------ > > *发件人：*David Turner <[email protected]> > *发送时间：*2018-01-31 17:24 > *主题：*Re: [ceph-users] How to clean data of osd with ssd journal(wal, db > if it is bluestore) ? > *收件人：*"shadow_lin"<[email protected]> > *抄送：*"ceph-users"<[email protected]> > > > > I use gdisk to remove the partition and partprobe for the OS to see the > new partition table. You can script it with sgdisk. > > On Wed, Jan 31, 2018, 4:10 AM shadow_lin <[email protected]> wrote: > >> Hi list, >> if I create an osd with journal(wal,db if it is bluestore) in the same >> hdd, I use ceph-disk zap to clean the disk when I want to remove the osd >> and clean the data on the disk. >> But if I use a ssd partition as the journal(wal,db if it is bluestore) , >> how should I clean the journal (wal,db if it is bluestore) of the osd I >> want to remove?Especially when there are other osds are using other >> partition of the same ssd as journals(wal,db if it is bluestore) . >> >> >> 2018-01-31 >> ------------------------------ >> shadow_lin >> _______________________________________________ >> ceph-users mailing list >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >
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