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If the user would upconvert a linear LV to a mirror without specifying
the segment type ("--type mirror" vs "--type raid1"), the "mirror"
segment type would be chosen without consulting the 'default_mirror_segtype'
setting in lvm.conf. This is now used as the basis for determining
which should be used if left unspecified.
Support vgsplit for VGs with thin pools and thin volumes.
In case the thin data and thin metadata volumes are moved to a new VG,
move there also all related thin volumes and check that external origins
are also present in this new VG.
Fix the usecase when only PV list is specified.
With --poolmetadatasize PV list is used for metadata extents.
Without --poolmetadatasize PV list is used for 100% extension of LV.
Handle the case, when nothing could be resized (i.e. in dmeventd)
Support 'clasic' way of resizing of metadata LV.
Normally we disallow to work with internal 'invisible' devices.
But in this case we can make an exception and if user has some
special needs how to extend thin pool metadata LV - support it.
After resize of metadata LV, the pool will be suspended and resumed,
to be notified of this change.
Add support for lvresize of thin pool metadata device.
lvresize --poolmetadatasize +20 vgname/thinpool_lv
or
lvresize -L +20 vgname/thinpool_lv_tmeta
Where the second one allows all the args for resize (striping...)
and the first option resizes accoding to the last metadata lv segment.
Previously, we have relied on UUIDs alone, and on lvmcache to make getting a
"new copy" of VG metadata fast. If the code which triggers the activation has
the correct VG metadata at hand (the version which is currently on disk), it can
now hand it to the activation code directly.
Merge duplicate code that was validating lvcreate args
for creation of thin and snapshot.
Keep most of thin checks in _check_thin_parameters().
Update couple error messages.
This patch adds the ability to set the minimum and maximum I/O rate for
sync operations in RAID LVs. The options are available for 'lvcreate' and
'lvchange' and are as follows:
--minrecoveryrate <Rate> [bBsSkKmMgG]
--maxrecoveryrate <Rate> [bBsSkKmMgG]
The rate is specified in size/sec/device. If a suffix is not given,
kiB/sec/device is assumed. Setting the rate to 0 removes the preference.
Instead of seeing wierd overflows inside the lvm code,
giving false error messages, kill the user experiment in the begining.
Who needs to use more then 16EiB with lvm2 and 64bit anyway...
Check for mounted fs also for vgchange command, not just lvchange.
NOTE: Code is using lv_info() just like lvs_in_vg_opened().
It should be probably converted into lv_is_active_locally().
There are places where 'lv_is_active' was being used where it was
more correct to use 'lv_is_active_locally'. For example, when checking
for the existance of a kernel instance before asking for its status.
Most of the time these would work correctly. (RAID is only allowed on
non-clustered VGs at the moment, which means that 'lv_is_active' and
'lv_is_active_locally' would give the same result.) However, it is
more correct to use the proper variant and it helps with future
scenarios where targets might be allowed exclusively (or clustered) in
a cluster VG.
Accept --yes on all commands, even ones that don't today have prompts,
so that test scripts that don't care about interactive prompts no
longer need to deal with them.
But continue to mention --yes only in the command prototypes that
actually use it.
This is just a temporary fix to support allocation of -l%FREE.
The number of free extent serves to calculate estimated metadata
size. This value is then substracted twice to keep some
free space for recover.
'lvchange' is used to alter a RAID 1 logical volume's write-mostly and
write-behind characteristics. The '--writemostly' parameter takes a
PV as an argument with an optional trailing character to specify whether
to set ('y'), unset ('n'), or toggle ('t') the value. If no trailing
character is given, it will set the flag.
Synopsis:
lvchange [--writemostly <PV>:{t|y|n}] [--writebehind <count>] vg/lv
Example:
lvchange --writemostly /dev/sdb1:y --writebehind 512 vg/raid1_lv
The last character in the 'lv_attr' field is used to show whether a device
has the WriteMostly flag set. It is signified with a 'w'. If the device
has failed, the 'p'artial flag has priority.
Example ("nosync" raid1 with mismatch_cnt and writemostly):
[~]# lvs -a --segment vg
LV VG Attr #Str Type SSize
raid1 vg Rwi---r-m 2 raid1 500.00m
[raid1_rimage_0] vg Iwi---r-- 1 linear 500.00m
[raid1_rimage_1] vg Iwi---r-w 1 linear 500.00m
[raid1_rmeta_0] vg ewi---r-- 1 linear 4.00m
[raid1_rmeta_1] vg ewi---r-- 1 linear 4.00m
Example (raid1 with mismatch_cnt, writemostly - but failed drive):
[~]# lvs -a --segment vg
LV VG Attr #Str Type SSize
raid1 vg rwi---r-p 2 raid1 500.00m
[raid1_rimage_0] vg Iwi---r-- 1 linear 500.00m
[raid1_rimage_1] vg Iwi---r-p 1 linear 500.00m
[raid1_rmeta_0] vg ewi---r-- 1 linear 4.00m
[raid1_rmeta_1] vg ewi---r-p 1 linear 4.00m
A new reportable field has been added for writebehind as well. If
write-behind has not been set or the LV is not RAID1, the field will
be blank.
Example (writebehind is set):
[~]# lvs -a -o name,attr,writebehind vg
LV Attr WBehind
lv rwi-a-r-- 512
[lv_rimage_0] iwi-aor-w
[lv_rimage_1] iwi-aor--
[lv_rmeta_0] ewi-aor--
[lv_rmeta_1] ewi-aor--
Example (writebehind is not set):
[~]# lvs -a -o name,attr,writebehind vg
LV Attr WBehind
lv rwi-a-r--
[lv_rimage_0] iwi-aor-w
[lv_rimage_1] iwi-aor--
[lv_rmeta_0] ewi-aor--
[lv_rmeta_1] ewi-aor--
This reverts commit 0396ade38b.
The original code also handled len==1, which the new code doesn't.
Press <TAB> in the lvm shell to get a list of the possible
flag completions for a single hyphen.
