Date: Fri, 29 Sep 2006 10:34:01 -0400 From: "Rex Roof" <rexroof@gmail.com> To: "R. B. Riddick" <arne_woerner@yahoo.com> Cc: freebsd-geom@freebsd.org Subject: Re: mirror/stripe freezing under FreeBSD 5.5 Message-ID: <6afb69aa0609290734r5c7e284eycaeacff008c179e3@mail.gmail.com> In-Reply-To: <20060927185024.84636.qmail@web30305.mail.mud.yahoo.com> References: <6afb69aa0609271142v7bb6fe4bkbc1dd588bfaa5607@mail.gmail.com> <20060927185024.84636.qmail@web30305.mail.mud.yahoo.com>
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is blocking reads or something. I'm not sure.
my mirrors are completely built:
$ gstripe status
Name Status Components
stripe/bigstripe UP mirror/mirone
mirror/mirtwo
mirror/mirthr
$ gmirror status
Name Status Components
mirror/mirone COMPLETE ad4
ad8
mirror/mirtwo COMPLETE ad6
ad12
mirror/mirthr COMPLETE ad14
ad16
and here are my device listings:
$ gstripe list
Geom name: bigstripe
State: UP
Status: Total=3, Online=3
Type: AUTOMATIC
Stripesize: 4096
ID: 2369540782
Providers:
1. Name: stripe/bigstripe
Mediasize: 750178037760 (699G)
Sectorsize: 512
Mode: r1w1e0
Consumers:
1. Name: mirror/mirone
Mediasize: 250059349504 (233G)
Sectorsize: 512
Mode: r1w1e1
Number: 0
2. Name: mirror/mirtwo
Mediasize: 250059349504 (233G)
Sectorsize: 512
Mode: r1w1e1
Number: 1
3. Name: mirror/mirthr
Mediasize: 250059349504 (233G)
Sectorsize: 512
Mode: r1w1e1
Number: 2
$ gmirror list
Geom name: mirone
State: COMPLETE
Components: 2
Balance: split
Slice: 4096
Flags: NONE
GenID: 0
SyncID: 1
ID: 816415530
Providers:
1. Name: mirror/mirone
Mediasize: 250059349504 (233G)
Sectorsize: 512
Mode: r1w1e1
Consumers:
1. Name: ad4
Mediasize: 250059350016 (233G)
Sectorsize: 512
Mode: r1w1e1
State: ACTIVE
Priority: 1
Flags: DIRTY
GenID: 0
SyncID: 1
ID: 4195234118
2. Name: ad8
Mediasize: 250059350016 (233G)
Sectorsize: 512
Mode: r1w1e1
State: ACTIVE
Priority: 0
Flags: DIRTY
GenID: 0
SyncID: 1
ID: 3319422241
Geom name: mirtwo
State: COMPLETE
Components: 2
Balance: split
Slice: 4096
Flags: NONE
GenID: 0
SyncID: 1
ID: 1333653928
Providers:
1. Name: mirror/mirtwo
Mediasize: 250059349504 (233G)
Sectorsize: 512
Mode: r1w1e1
Consumers:
1. Name: ad6
Mediasize: 250059350016 (233G)
Sectorsize: 512
Mode: r1w1e1
State: ACTIVE
Priority: 0
Flags: DIRTY
GenID: 0
SyncID: 1
ID: 2528877084
2. Name: ad12
Mediasize: 250059350016 (233G)
Sectorsize: 512
Mode: r1w1e1
State: ACTIVE
Priority: 0
Flags: DIRTY
GenID: 0
SyncID: 1
ID: 2238921542
Geom name: mirthr
State: COMPLETE
Components: 2
Balance: split
Slice: 4096
Flags: NONE
GenID: 0
SyncID: 1
ID: 2890376801
Providers:
1. Name: mirror/mirthr
Mediasize: 250059349504 (233G)
Sectorsize: 512
Mode: r1w1e1
Consumers:
1. Name: ad14
Mediasize: 250059350016 (233G)
Sectorsize: 512
Mode: r1w1e1
State: ACTIVE
Priority: 0
Flags: DIRTY
GenID: 0
SyncID: 1
ID: 3548914119
2. Name: ad16
Mediasize: 250059350016 (233G)
Sectorsize: 512
Mode: r1w1e1
State: ACTIVE
Priority: 1
Flags: DIRTY
GenID: 0
SyncID: 1
ID: 4093914448
as you can see, they say DIRTY. a few seconds later they changed to CLEAN.
I'm noticing now that they're changing back and forth rather frequently.
perhaps once a minute; much more often than the freezing is happening.
On 9/27/06, R. B. Riddick <arne_woerner@yahoo.com> wrote:
> --- Rex Roof <rexroof@gmail.com> wrote:
> > Anyone have any ideas? or any suggestions for further debugging?
> >
> I am using gmirror and gstripe since months and i am quite happy with it...
> But my structure is quite flat...
>
> I have no real theory about the reason of the bad behaviour of ur system...
>
> But: Maybe it could help, when u tell us what
> gmirror status
> and
> gstripe status
> says...
>
> Maybe
> gmirror list
> and
> gstripe list
> might be good, too...
>
> R there any traffic bursts on ur box?
>
> Maybe u should let ur system some time until the mirrors r rebuilded
> completely...
>
> For comparison: My "gmirror status" says this:
> > gmirror status
> Name Status Components
> mirror/sys COMPLETE ad0s1a
> ad1s1a
> mirror/home COMPLETE ad0s1d
> ad1s1d
>
> -Arne
>
>
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