no, disks utilization is around 86%. What is safe value for min_size in this case?
18. 10. 2021 15:46:44 Eugen Block <[email protected]>: > Hi, > > min_size = k is not the safest option, it should be only used in case of > disaster recovery. But in this case it's not related to IO interruption, it > seems. Are some disks utilized around 100% (iostat) when this happens? > > > Zitat von Denis Polom <[email protected]>: > >> Hi, >> >> it's >> >> min_size: 10 >> >> >> On 10/18/21 14:43, Eugen Block wrote: >>> What is your min_size for the affected pool? >>> >>> >>> Zitat von Denis Polom <[email protected]>: >>> >>>> Hi, >>>> >>>> I have 18 OSD nodes in this cluster. And it does happen even if one OSD >>>> daemon goes down or flaps. >>>> >>>> Running >>>> >>>> ceph version 15.2.14 (cd3bb7e87a2f62c1b862ff3fd8b1eec13391a5be) octopus >>>> (stable) >>>> >>>> thx! >>>> >>>> >>>> On 10/18/21 12:12, Eugen Block wrote: >>>>> Hi, >>>>> >>>>> with this EC setup your pool min_size would be 11 (k+1), so in case one >>>>> host goes down (or several OSDs fail on this host), your clients should >>>>> not be affected. But as soon as a second host fails you’ll notice IO >>>>> pause until at least one host has recovered. Do you have more than 12 >>>>> hosts in this cluster so it could recover one host failure? >>>>> >>>>> Regards, >>>>> Eugen >>>>> >>>>> >>>>> Zitat von Denis Polom <[email protected]>: >>>>> >>>>>> … >>>>> >>>>> >>>>> >>> >>> >>> > > > > _______________________________________________ > ceph-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ ceph-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
