to gmirror or to ZFS
kraduk at gmail.com
Wed Jul 17 10:06:11 UTC 2013
not recommended anymore you should run SU+J if your version supports it
On 17 July 2013 00:08, Nikos Vassiliadis <nvass at gmx.com> wrote:
> On 07/16/13 21:27, Johan Hendriks wrote:
>> Op dinsdag 16 juli 2013 schreef Charles Swiger (cswiger at mac.com) het
>>> On Jul 16, 2013, at 10:33 AM, Johan Hendriks <joh.hendriks at gmail.com<**
>>> [ ... ]
>>>> I would us a zfs for the os.
>>>> I have a couple of servers that did not survive a power failure with
>>>> The problems i had was when the power failed one disk was in a
>>>> state and then when the background fsck started or was busy for some
>>>> it would crash the whole server.
>>> Well, "don't do that". :-)
>> When the server reboots because of a powerfailure at night, then it boots.
>> Then it starts to rebuild the mirror on its own, and later the fsck kicks
>> Not much i can do about it.
> You could add geom_journal which will minimize the time of fsck to a
> second or something like that. Then you don't have to use background fsck
> Actually geom_journal's manual page mentions an interesting
> side-effect of geom_journal over a geom_mirror:
> you can turn off component synchronization.
> Geom_journal will re-play last writes so whatever was
> changed just before the crash will be re-written to both disks.
> I haven't used this but it makes sense in theory.
> Maybe i should have done it without the automatic attachment for a new
> I always turn off automatic synchronization or stale components
> as well.
> It seems to me that people don't really use geom_journal
> or maybe they just don't talk about it like it's some
> sort of secret:)
> just my two cents,
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