4 ms·if you've got removable disks on your servers, valhalla was lost long ago!by a-dub 7y agoif you've got removable disks on your servers, valhalla was lost long ago!xyzzyz 7y agoHuh? Hot swapping disks is extremely common.a-dub 7y agothe raid device remains stable and fsyncs don't fail in that case.dboreham 7y agoDepends on your definition of 'hot' (and also on your definition of 'disk'). If you mean 'FS volume under active write load' then no it isn't extremely common.stonogo 7y agoYou don't use networked filesystems?a-dub 7y agonot on production db servers, no.