Hi Olivier, Removal came around 18, but at least in OpenSolaris failure of the device (and it's replacement) were handled from day one of the dedicated ZIL feature. -J On Fri, Sep 3, 2010 at 6:18 AM, Olivier Smedts <olivier_at_gid0.org> wrote: > 2010/9/3 Alexander Leidinger <Alexander_at_leidinger.net>: >> Quoting "Jason J. W. Williams" <jasonjwwilliams_at_gmail.com> (from Thu, 2 Sep >> 2010 13:30:51 -0600): >> >>> How well does ZFS on FreeBSD handle a dying/wedged log and/or cache >>> device? OpenSolaris handles this pretty well in my experience and will >>> fail through relatively quickly. But this tends to rely on FMA. Thank >>> you in advance. >> >> No problem for the cache device. I have an USB memory stick as a cache >> device, and if I just remove it during operation, the system handles the >> situation. If you connect it again, you need to remove/readd it via zfs >> commands. > > I've got the same setup and just have to "online" the usb key after boot. > > As for the zil/log device, I think it should be supported in the > upcoming ZFS v28 patch (maybe you can give it a try, see pjd's mail) > because zil removal was introduced in a zpool version after v14/15 > (what's in 8-STABLE and 9-CURRENT). > >> >> I do not use a log device. >> >> Bye, >> Alexander. >> >> -- >> Govern a great nation as you would cook a small fish. Don't overdo it. >> -- Lao Tsu >> >> http://www.Leidinger.net Alexander _at_ Leidinger.net: PGP ID = B0063FE7 >> http://www.FreeBSD.org netchild _at_ FreeBSD.org : PGP ID = 72077137 >> _______________________________________________ >> freebsd-current_at_freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" >> > > > > -- > Olivier Smedts _ > ASCII ribbon campaign ( ) > e-mail: olivier_at_gid0.org - against HTML email & vCards X > www: http://www.gid0.org - against proprietary attachments / \ > > "Il y a seulement 10 sortes de gens dans le monde : > ceux qui comprennent le binaire, > et ceux qui ne le comprennent pas." >Received on Fri Sep 03 2010 - 16:10:41 UTC
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