On Friday, 21 February 2003 at 10:00:46 +0200, Vallo Kallaste wrote: > On Thu, Feb 20, 2003 at 02:28:45PM -0800, Darryl Okahata > <[EMAIL PROTECTED]> wrote: > >> Vallo Kallaste <[EMAIL PROTECTED]> wrote: >> >>> I'll second Brad's statement about vinum and softupdates >>> interactions. My last experiments with vinum were more than half a >>> year ago, but I guess it still holds. BTW, the interactions showed >>> up _only_ on R5 volumes. I had 6 disk (SCSI) R5 volume in Compaq >>> Proliant 3000 and the system was very stable before I enabled >>> softupdates.. and of course after I disabled softupdates. In between >>> there were crashes and nasty problems with filesystem. Unfortunately >>> it was production system and I hadn't chanche to play. >> >> Did you believe that the crashes were caused by enabling softupdates on >> an R5 vinum volume, or were the crashes unrelated to vinum/softupdates? >> I can see how crashes unrelated to vinum/softupdates might trash vinum >> filesystems. > > The crashes and anomalies with filesystem residing on R5 volume were > related to vinum(R5)/softupdates combo.
Well, at one point we suspected that. But the cases I have seen were based on a misassumption. Do you have any concrete evidence that points to that particular combination? > The vinum R5 and system as a whole were stable without > softupdates. Only one problem remained after disabling softupdates, > while being online and user I/O going on, rebuilding of failed disk > corrupt the R5 volume completely. Yes, we've fixed a bug in that area. It had nothing to do with soft updates, though. > Don't know is it fixed or not as I don't have necessary hardware at > the moment. The only way around was to quiesce the volume before > rebuilding, umount it, and wait until rebuild finished. I'll suggest > extensive testing cycle for everyone who's going to work with vinum > R5. Concat, striping and mirroring has been a breeze but not so with > R5. IIRC the rebuild bug bit any striped configuration. Greg -- See complete headers for address and phone numbers Please note: we block mail from major spammers, notably yahoo.com. See http://www.lemis.com/yahoospam.html for further details.
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