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541 Commits

Author SHA1 Message Date
Patrick Caulfield
38f3949b25 Don't log an error if we can't write the cache file because the FS is read-only. 
Gets rid of that annoying error at shutdown.
 2002-07-11 09:23:29 +00:00
Alasdair Kergon
48ad31920d Add --ignorelockingfailure 2002-07-10 20:43:32 +00:00
Alasdair Kergon
0dbd22124b Merge adjacent "Missing" segments. 2002-07-10 13:54:17 +00:00
Joe Thornber
7df3006c6b o Add version number to text format. 2002-07-02 18:47:43 +00:00
Patrick Caulfield
b40b90f035 Flush on open as well as close. 2002-06-25 14:02:28 +00:00
Patrick Caulfield
aefa3c6d82 Get rid of compile warnings on 64bit platforms. 2002-06-07 08:37:07 +00:00
Alasdair Kergon
70d6838fb0 Tidy 2002-05-31 19:28:37 +00:00
Alasdair Kergon
61e9603be5 Remember to update VG free_count when reducing size of an LV. 2002-05-30 16:08:19 +00:00
AJ Lewis
fa6a82c9af o fix changed function names 2002-05-23 14:13:21 +00:00
Alasdair Kergon
5f05971a84 Fix LVM1 backwards compatibility issue when LV with a low LV number is deleted. 2002-05-23 11:37:51 +00:00
Alasdair Kergon
c826c0d17c Rename; add some FIXMEs. 2002-05-22 14:03:45 +00:00
Alasdair Kergon
1f835295d8 Revert to standard linux macros (for correct behaviour on rare architectures). 2002-05-21 12:37:07 +00:00
Andres Salomon
6106741bea ack, missing include 2002-05-19 04:11:34 +00:00
Andres Salomon
6e0fa64c7b update create_dir() comment 2002-05-19 03:52:38 +00:00
Andres Salomon
310a81c90c support recursive mkdir in create_dir() 2002-05-19 03:46:34 +00:00
Alasdair Kergon
031079703f Rewrite missing/corrupt metadata in more cases. 2002-05-13 12:38:54 +00:00
AJ Lewis
39ed033adb o the _status fxns now take more arguments - this way i don't get the 
preparsed status info, shove it all into a string, and then parse it
   again to get the info back out (which is what i was doing before)
 o basically that's it...i like this *much* better than the previous
   method and i think it makes the _status fxn more flexible if we need
   to use it to get other info out.
 2002-05-10 16:06:06 +00:00
AJ Lewis
1951dba955 o Actually read snapshot percentage from the kernel - what a pain! :) 
o Not sure if the code in dev_manager is really optimal, but it works..
   will look at adjusting it a bit now.
 o I *think* it works right when one snapshot if full but others aren't,
   but I haven't really been able to test it because the full snapshot
   somehow resets itself and weird things start happening to the system...
 2002-05-09 21:17:57 +00:00
Alasdair Kergon
64ad493eac Remove a no-op. 2002-05-09 12:03:55 +00:00
AJ Lewis
29152f6ef0 o header should only be printed once... 2002-05-08 17:58:52 +00:00
AJ Lewis
fccc39a3a7 o Added function find_snapshots to snapshot_manip.c that returns a list 
of snapshots whose origin is the lv passed in.
 o Used this new function to make lvdisplay properly display all snapshots
   attached to a origin.
 2002-05-08 16:57:46 +00:00
Andres Salomon
8ac9aae78a implement our own swabbing functions, instead of relying on the kernel's. 2002-05-07 15:28:59 +00:00
Alasdair Kergon
c5e08c6c83 Default values for some display output settings 2002-05-07 12:50:01 +00:00
Alasdair Kergon
5be981bab5 Tweaks 2002-05-07 12:47:11 +00:00
Andres Salomon
b9923fe3f2 Make lvm2 compile on big endian archs; use the kernel/glibc's endian 
conversion stuff, instead of implementing our own.  Tested on a little
endian system (x86); I'll let the debian handle big endian testing.  :)
 2002-05-07 05:54:14 +00:00
AJ Lewis
b7749b7a96 o Will now correctly remove expired achive files from the system when 
archive_vg is called.
 o Added a #define to the top of the file - not sure if this is the
   appropriate place for it though
 2002-05-03 19:28:07 +00:00
Alasdair Kergon
6b4c9ff740 Some partial VG support with format_text. 2002-04-30 17:12:37 +00:00
Alasdair Kergon
e1f93d52e3 get_vgs must check for text format VGs when no lvm1 format VGs present 2002-04-30 12:27:13 +00:00
AJ Lewis
6e2ff7fb35 o Updated *display output for LVM1 compatibility 
o There is still a bit missing
   + all are missing the {PV,VG,LV} # - that is not applicable in LVM2
   + pvdisplay doesn't show how many LVs are contained on it
   + much of the snapshot information isn't available for lvdisplay
 o Look at the code for other potiential FIXMEs  :)
 2002-04-29 21:43:14 +00:00
Alasdair Kergon
25b733809a Merge with text format branch. 
Lots of changes/very little testing so far => there'll be bugs!

Use 'vgcreate -M text' to create a volume group with its metadata stored
in text files.  Text format metadata changes should be reasonably atomic,
with a (basic) automatic recovery mechanism if the system crashes while a
change is in progress.

Add a metadata section to lvm.conf to specify multiple directories if
you want (recommended) to keep multiple copies of the metadata (eg on
different filesystems).

e.g. metadata {
        dirs = ["/etc/lvm/metadata1","/usr/local/lvm/metadata2"]
}

Plenty of refinements still in the pipeline.
 2002-04-24 18:20:51 +00:00
Joe Thornber
e3528bcda7 o Stop printing errors if flushing fails (could be an unconfigured device). 2002-04-24 08:37:34 +00:00
Alasdair Kergon
de3bec7f81 Missing seg->lv gives segfault when activating from text format. 2002-04-16 19:41:54 +00:00
Alasdair Kergon
69e8a53ee4 Allow deactivation of final snapshot. 2002-04-16 14:42:20 +00:00
Alasdair Kergon
7e3d403b88 Implement a no_locking module that *does* attempt activation. 2002-04-11 14:10:32 +00:00
Patrick Caulfield
584404f8f4 Return status from _lv_activate and friends. 
Alasdair, I think this is right (and I need it) but you may like to check.
 2002-04-11 09:14:04 +00:00
Patrick Caulfield
426bc429ef Remove \n from log messages. 2002-04-10 15:49:47 +00:00
Joe Thornber
f31c47ade8 o Perform a BLKFLSBUF ioctl whenever a block device is closed. 
Patrick, can you see if this fixes your cluster syncing problem please ?
If so I'll make it so it only syncs if you have actually written to the
device.
 2002-04-08 18:59:50 +00:00
Patrick Caulfield
2fab033e9b Implement an external locking interface. 2002-04-08 16:04:50 +00:00
Patrick Caulfield
c34d34e6a0 Fix prototype. 2002-04-08 13:35:09 +00:00
Alasdair Kergon
ab053ad6c1 Fix lv_setup() not to generate a new lvid each time if asked to setup the 
same LV more than once - subsequent times validate only.
 2002-04-05 14:32:22 +00:00
Patrick Caulfield
ae70673752 Make lock type numbers match the DLM numbers in use, and move UNLOCK out 
of the way.
 2002-04-04 13:31:21 +00:00
Alasdair Kergon
8856889d10 Rename LCK_NONE to LCK_UNLOCK 2002-04-04 11:18:45 +00:00
Alasdair Kergon
607bcd61d0 Tidying. 2002-04-03 12:17:55 +00:00
Alasdair Kergon
7bb6856a7e Cope with creation of additional snapshots while active. 
(More work on suspension dependencies still needed.)
 2002-03-27 18:17:43 +00:00
Alasdair Kergon
4bb3eccf2b New-style persistent minor support. 2002-03-26 13:41:37 +00:00
Alasdair Kergon
e04c519896 o read-only device support 
o name/uuid disambiguation
 2002-03-25 18:54:59 +00:00
Alasdair Kergon
c1b5fc6673 Fix typo. 2002-03-25 18:50:37 +00:00
Alasdair Kergon
9585e50fef Better support for LVs with hyphens in names. 2002-03-19 16:41:44 +00:00
Alasdair Kergon
2ed2a72439 lvrename works on snapshots now 2002-03-18 23:25:50 +00:00
Alasdair Kergon
a76ba817a8 Tie all snapshot (de)activation requests to (de)activation of origin device. 2002-03-18 13:09:27 +00:00
Alasdair Kergon
20ce742691 s/Removing/Unloading/ in messages to reduce confusion 2002-03-15 23:01:59 +00:00
Alasdair Kergon
a69de4919b Cut the number of device-mapper calls. 2002-03-15 22:59:12 +00:00
Alasdair Kergon
a6bf4bcfa2 New function to enable suppression of messages to stdout/stderr. 2002-03-15 22:54:04 +00:00
Alasdair Kergon
568d7229bf Review locking: block signals instead of ignoring them and restore state 
afterwards; avoid race condition with unlink; add LCK_HOLD to process_each_vg.
 2002-03-15 16:07:38 +00:00
Alasdair Kergon
14a9cda63b Reduce the number of dm info calls. 2002-03-14 21:17:30 +00:00
Alasdair Kergon
20c5fcf764 Integrate suspend. 2002-03-14 15:36:07 +00:00
Joe Thornber
d8e7d77316 o dev_manager_suspend, untested. 2002-03-14 10:56:09 +00:00
Alasdair Kergon
dd420615d5 Set LV uuid. 2002-03-13 15:11:29 +00:00
Alasdair Kergon
251502f9a1 Move is_empty_dir to lvm-file 2002-03-11 22:23:24 +00:00
Joe Thornber
bb13858120 o Actually check that the vg directory is empty rather than speculatively 
rmdiring it.  Work around for devfs bug.
 2002-03-11 20:43:58 +00:00
Joe Thornber
2ec94d4daf o This should complete the dev_manager alg. Please could people now 
report any activation oddities they see.
 2002-03-11 20:36:04 +00:00
Alasdair Kergon
41967a0276 lv_info replaces lv_active etc. 2002-03-11 19:02:28 +00:00
Alasdair Kergon
be326a2f1b o activate/reactivate merge 
o unlocking macro
 2002-03-11 15:08:39 +00:00
Joe Thornber
323a167b49 o dm->active_list now filled in, ATM this is based on the layer name rather 
than the uuid.
 2002-03-11 11:27:48 +00:00
Joe Thornber
fd6932b18b o Comment out some new code that was preventing pjc activating 
snapshots.  This will go back in when the active_list is working.
 2002-03-11 10:38:16 +00:00
Joe Thornber
5295f36cb4 o knock out the offset for origin targets. 2002-03-08 10:45:01 +00:00
Joe Thornber
4526747997 o Add active_list to dev_manager 
o  Origin layer is only added to snapshots if a snapshot is in the
   active_list.
 2002-03-08 10:41:48 +00:00
Joe Thornber
11d2da4036 o First cut at dev scanning. 
o  Split up _expand_lv
 2002-03-07 17:37:38 +00:00
Joe Thornber
0fe3a2c512 o Add comment describing what we're aiming for with dev_manager. 
o  Remove dev_manager_reactivate, since it'll be the same as activate.

o  Merge the mark, visible and dirty fields into the same flags field.
 2002-03-07 16:48:46 +00:00
Joe Thornber
eea1d6932c o Top level device is now just called <vg>-<lv> (there's no 'top' 
layer appended).

o  Got rid of the unused layer->type field and enum.
 2002-03-07 15:29:31 +00:00
Alasdair Kergon
15c325f06a o Use new LCK_HOLD flag to indicate whether lock should be held on return 
from lock_vol() - otherwise it now attempts to acquire the lock and then
  immediately releases it.
o Extend the id field in struct logical_volume to hold VG uuid + LV uuid
  for format1. This unique lvid can be used directly when calling lock_vol().
o Add the VG uuid to vgcache to make VG uuid lookups possible.  (Another
  step towards using them instead of VG names internally.)
 2002-03-05 20:03:09 +00:00
Alasdair Kergon
2731508b34 Fix activation for VG with more than one LV. 2002-03-04 18:50:34 +00:00
Joe Thornber
fdec53fb9c o Add a line to lvdisplay to say if the volume is a snapshot. 2002-03-04 15:12:30 +00:00
Joe Thornber
d30321a6cf o Bad dependency, meant the origin was always getting activated. 2002-03-04 15:10:30 +00:00
Alasdair Kergon
3bf898526a Remove unused fns. 2002-03-04 14:27:25 +00:00
Joe Thornber
3a84c18bdd o I was tearing down device bottom-up instead of top down. Which 
is why lvremove of snapshots wasn't working.
 2002-03-04 14:26:43 +00:00
Joe Thornber
9db196e6c5 o Break creating a snapshot down into: 
i)   create cow
   ii)  activate cow
   iii) zero cow
   iv)  deactivate
   v)   add snapshot info
   vi)  reactivate
 2002-03-04 13:46:37 +00:00
Alasdair Kergon
8c013da41f More use of LV locking. 2002-03-01 19:08:11 +00:00
Joe Thornber
6ed0234393 o point snapshots at origin:real rather than origin:top, and *ping* 
snapshots work.
 2002-03-01 09:07:00 +00:00
Alasdair Kergon
f4cbeaf0ac o Lock mechanism for LV activation 
o #defines for common lock flag combinations
o Try out hyphens instead of colons in device-mapper names - does this
  make messages containing filenames easier to read?
 2002-02-27 12:26:41 +00:00
Joe Thornber
841da63e77 o Format1 wasn't recording the snapshot chunk size properly 
o  Activation of snapshots now works - though the resulting device
   doesn't (pjc ?)

o  text format wasn't setting vg->cmd.
 2002-02-26 16:48:52 +00:00
Alasdair Kergon
6761081ab4 Clearer link pathname display. 2002-02-26 16:08:22 +00:00
Joe Thornber
349f09e401 o _build_name was allocating 1 byte too few, which meant the 
terminating zero was falling off at some later point.

o Don't try and iterate from a deleted node in _prune_unmarked.
 2002-02-26 14:44:13 +00:00
Joe Thornber
de6c918392 o Removed old files 
o  rewrote activate.c to use dev-manager, I'm sure these two will merge
   at some point.

o  Rename is broken ATM

o  dev-manager puts the calls through to fs.c for layers that have the
   'visible' flag set.
 2002-02-26 11:49:17 +00:00
Joe Thornber
c15334eb4e o More dev_manager fns. 2002-02-25 16:53:12 +00:00
Joe Thornber
999e584511 o In go the populate functions. 2002-02-25 15:19:53 +00:00
Joe Thornber
fc28b60f9c o More dev_manager work. 2002-02-25 14:46:57 +00:00
Alasdair Kergon
413cc9189e Begin conversion so LV id is passed to activation unit instead of 
struct logical_volume.
 2002-02-25 12:56:16 +00:00
Joe Thornber
ca73e23fd0 o Sync with cvs, dev_manager still needs to be wired into activate.c 2002-02-25 12:02:33 +00:00
Joe Thornber
7b9e789f9c o Remove the vg argument from find_cow 2002-02-25 11:55:39 +00:00
Joe Thornber
b00094bdeb o hash_iterate -> hash_iter 2002-02-25 11:54:15 +00:00
Joe Thornber
7e682f4f93 o Added a macro called hash_iterate, that is similar to list_iterate 
o Renamed hash_iterate function, hash_iter.
 2002-02-25 11:52:58 +00:00
Alasdair Kergon
bb403f3361 indent 2002-02-24 22:31:55 +00:00
Patrick Caulfield
6f3a8d5bd3 Fill in format_text functions. 
Sort of seems to work.
 2002-02-22 11:44:56 +00:00
Alasdair Kergon
187cf4c97d o Convert lv->id back to lv_number when writing back to disk 
o Use first unused lv_number when creating new LV
o Use lv_number for refs to snapshots
o Update persistent minor logic after the lvcreate restructure
o Reset all parameters before use in lvcreate.
 2002-02-21 19:04:37 +00:00
Heinz Mauelshagen
257ec146b2 Avoid ambigous volume_group argument in vg_add_snapshot() 2002-02-21 18:31:48 +00:00
Alasdair Kergon
b5ed53273a Generate LV uuid from lv_number when reading in LVs. 2002-02-21 15:26:44 +00:00
Joe Thornber
e680d3190f o typo 2002-02-21 10:17:01 +00:00
Joe Thornber
0e32e054df o add find_cow function. 2002-02-21 10:16:33 +00:00
Alasdair Kergon
cc8b2cd706 Try out using LV locking for reactivation. 2002-02-20 21:30:27 +00:00