| Commit message (Collapse) | Author | Age | Files | Lines |
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Manual pages fixes by: ru
MFC after: 3 days
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the given providers. Without even one of the configured components there
should be no way to get the secret.
Supported by: WHEEL Sp. z o.o.
http://www.wheel.pl
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message, i.e.:
geom: usage: geom <class> <command> [options]
PR: bin/71537
Submitted by: bugghy <bugghy@phenix.rootshell.be>
MFC after: 5 days
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After this change, when component is disconnected because of an I/O error,
it will not be connected and synchronized automatically, it will be logged
as broken and skipped. Autosynchronization can occur, when component is
disconnected (on orphan event) and connected again - there were no I/O
error, so there is no need to not connected the component, but when there were
writes while it wasn't connected, it will be synchronized.
This fix cases, when component is disconnected because of I/O error and can be
connected again and again.
- Bump version number.
- Implement backward compatibility mechanism. After this change when metadata in
old version is detected, it is automatically upgraded to the new (current)
version.
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After this change, when component is disconnected because of an I/O error,
it will not be connected and synchronized automatically, it will be logged
as broken and skipped. Autosynchronization can occur, when component is
disconnected (on orphan event) and connected again - there were no I/O
error, so there is no need to not connected the component, but when there were
writes while it wasn't connected, it will be synchronized.
This fix cases, when component is disconnected because of I/O error and can be
connected again and again.
- Bump version number.
- Add version change history.
- Implement backward compatibility mechanism. After this change when metadata in
old version is detected, it is automatically upgraded to the new (current)
version.
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when this mode is used.
- Manual page update.
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Reviewed by: pjd
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Submitted by: ceri
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Submitted by: ceri
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Reported by: obrien
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commands.
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- When command is not available, just say it, instead of says, that command
is unknown. Old behaviour seems to be too confusing.
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of parity component, because we can't return an EIO error for read of
every sector which wasn't written first.
Discussed with: phk
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Requested by: Michael Handler <handler@grendel.net>
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only.
- Use getprogname() function when informing about versions problem.
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Submitted by: kuriyama
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verification of regular data when device is in complete state.
On verification error, EIO error is returned for the bio and sysctl
kern.geom.raid3.stat.parity_mismatch is increased.
Suggested by: phk
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as well, even if device is in complete state.
I observe 40% of speed-up with this option for random read operations,
but slowdown for sequential reads.
Basically, without this option reading from a RAID3 device built from 5
components (c0-c4) looks like this:
Request no. Used components
1 c0+c1+c2+c3
2 c0+c1+c2+c3
3 c0+c1+c2+c3
With the new feature:
Request no. Used components
1 c0+c1+c2+c3
2 (c1^c2^c3^c4)+c1+c2+c3
3 c0+(c0^c2^c3^c4)+c2+c3
4 c0+c1+(c0^c1^c3^c4)+c3
5 c0+c1+c2+(c0^c1^c2^c4)
6 c0+c1+c2+c3
[...]
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- Connect it to the build.
- Inform geom(8) about it.
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Add manual page for gmirror(8) utility.
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- Connect it to the build.
- Inform geom(8) manual page about it.
Reviewed by: trhodes
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transformation and graid3(8) userland utility, which can be used for
configuration. No manual page yet, sorry.
Hardware provided by: Daniel Seuffert
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be staticaly linked.
This fixes problems on systems compiled with NO_DYNAMICROOT.
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which allow to store provider's name in the metadata and avoid
problems when few providers share the same last sector.
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It allows to fix problems when last provider's sector is shared between few
providers.
- Bump version number for CONCAT and STRIPE and add code for backward
compatibility.
- Do not bump version number of MIRROR, as it wasn't officially introduced yet.
Even if someone started to play with it, there is no big deal, because
wrong MD5 sum of metadata will deny those providers.
- Update manual pages.
- Add version history to g_(stripe|concat).h files.
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many times "fast" mode failed.
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after dlopen() anyway, so we should be safe.
Suggested by: ru
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new problem shows up: symblic links (<libname>.so) are created under
/usr/lib/ now, instead of under /lib/geom/ where geom(8) looks for them.
Introduce a workaround to fix this by teaching geom(8) to open libraries
via /lib/geom/<libname>.so.<major_number> instead of /lib/geom/<libname>.so.
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Reported by: des
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of the new component.
Version number wasn't bumped (it should be), because I think there are
no geom_mirror users yet.
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features. The gmirror(8) utility should be used for control of this class.
There is no manual page yet, but I'm working on it with keramida@.
Many useful tests provided by: simon (thank you!)
Some ideas from: scottl, simon, phk
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provider.
- Bump version number.
This allows for a quite interesting trick. One can setup a stripe with
stripe size of 512 bytes and create transparent provider on top of it
with sector size equal to <ndisks> * 512. The result will be something
like RAID3 without parity disk (every access will touch all disks).
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