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Commit Graph

51 Commits

Author SHA1 Message Date
Alasdair Kergon
67eb7723d6 Use hash, bitset, malloc, pool from libdevmapper. 2005-10-16 23:03:59 +00:00
Patrick Caulfield
e52f022026 clvmd no longer takes out locks for non-clusteed LVs,
and non-clustered LVs are only activated on the local node.
2005-08-16 08:25:09 +00:00
Alasdair Kergon
273857f914 Add clustered VG flag to LV lock requests. 2005-08-15 13:24:46 +00:00
Alasdair Kergon
a08b85dbc8 Change LV locking macros to take lv instead of lvid. 2005-08-15 12:00:04 +00:00
Alasdair Kergon
a0aedf299a Prepare tools to support clustered mirrors. 2005-08-14 23:18:28 +00:00
Alasdair Kergon
99df4f892d Basic support for mirrors. 2005-06-01 16:51:55 +00:00
Alasdair Kergon
cdd0d3351a Add clustered attribute so vgchange can identify clustered VGs w/o locking. 2005-03-21 22:55:12 +00:00
Alasdair Kergon
701c05ce96 Tighten signal handlers. 2005-03-21 14:16:16 +00:00
Patrick Caulfield
32e175752c Fix clvmd startup bug introduced in cman/gulm amalgamation. bz#145729
Improve reporting of node-specific locking errors so you'll get
somthing a little more helpfiul than "host is down" - it will now tell
you /which/ host it thinks is down.
2005-01-21 11:35:24 +00:00
Patrick Caulfield
8b170dc2bf Fix off-by-one error in cluster_locking that could case read hangs. 2005-01-07 14:22:49 +00:00
Alasdair Kergon
c65d95bf29 Cluster-extension-only installation. 2004-08-18 18:57:40 +00:00
Alasdair Kergon
ebab0e91ee Missing .exported_symbols 2004-06-24 08:16:09 +00:00
Alasdair Kergon
858a2b1b88 Add cluster support. 2004-06-24 08:02:38 +00:00
Alasdair Kergon
150b350d31 Add local activation support. 2004-06-16 17:13:41 +00:00
Alasdair Kergon
c7b4a53c0b Add reset_fn to external_locking. 2004-05-18 21:57:24 +00:00
Alasdair Kergon
1f93ea0675 Revise internal locking semantics. 2004-05-05 12:03:07 +00:00
Alasdair Kergon
fc5c61cc8b Begin to separate out segment types. 2004-05-04 21:25:57 +00:00
Alasdair Kergon
66ed5f82c4 Update copyright notices. 2004-03-30 19:35:44 +00:00
Alasdair Kergon
b1fda66caa missing definition 2004-03-26 21:46:01 +00:00
Alasdair Kergon
1cbb70c992 indent 2004-03-26 21:07:30 +00:00
Alasdair Kergon
e06b39f882 move lock_lvs; add lock memlock code 2004-03-26 20:49:35 +00:00
Alasdair Kergon
989d14502d Add locking flags + memlock option. 2004-03-26 20:17:11 +00:00
Alasdair Kergon
8703ca623f rename config file vars & always use / as separator 2004-03-08 18:28:45 +00:00
Alasdair Kergon
5cbb893a3b Fix support for PVs on read only devices. [Still must set LVs read only] 2003-11-21 19:54:40 +00:00
Alasdair Kergon
c7883fd093 Fit locking bits into 1 byte. 2003-11-06 17:08:18 +00:00
Alasdair Kergon
8449314da2 Another sync point - numerous fixes & clean ups. 2003-07-04 22:34:56 +00:00
Alasdair Kergon
a9672246f3 reset_locking() 2003-05-06 12:03:13 +00:00
Alasdair Kergon
373058a32a Improve build robustness. 2003-04-15 13:24:42 +00:00
Alasdair Kergon
e8c4bf56fe Tidy various pre-processing incl. making libdl optional. 2003-03-24 18:08:53 +00:00
Alasdair Kergon
580624fad6 Also lock memory during LV updates. 2003-01-03 21:10:28 +00:00
Alasdair Kergon
dd2157534b Default stripesize 64k & config file setting for it;
Clear many compiler warnings (i386) & associated bugs - hopefully without
introducing too many new bugs:-)  (Same exercise required for other archs.)
Default compilation has optimisation - or else use ./configure --enable-debug
2002-12-19 23:25:55 +00:00
Alasdair Kergon
81c44790d5 Refactoring. 2002-11-18 14:01:16 +00:00
Alasdair Kergon
f2fd4b8a1f Don't let LVM2 access a VG if the original LVM driver appears to be using it. 2002-11-01 19:57:25 +00:00
Patrick Caulfield
247efdebdb Rename lock_resource to file_lock_resource to avoid name clashes 2002-07-25 09:04:30 +00:00
Alasdair Kergon
778e846e96 Add --ignorelockingfailure 2002-07-10 20:43:32 +00:00
Alasdair Kergon
63875e7591 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
Alasdair Kergon
6f448c5a38 Implement a no_locking module that *does* attempt activation. 2002-04-11 14:10:32 +00:00
Patrick Caulfield
8152f0d72c Remove \n from log messages. 2002-04-10 15:49:47 +00:00
Patrick Caulfield
b93c66dc2d Implement an external locking interface. 2002-04-08 16:04:50 +00:00
Patrick Caulfield
cef3841d73 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
3cd5e8a041 Rename LCK_NONE to LCK_UNLOCK 2002-04-04 11:18:45 +00:00
Alasdair Kergon
3634e12cce Fix typo. 2002-03-25 18:50:37 +00:00
Alasdair Kergon
972241c74c 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
427899ddce o activate/reactivate merge
o unlocking macro
2002-03-11 15:08:39 +00:00
Alasdair Kergon
fc8b7efc6f 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
73a88ab3d3 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
Alasdair Kergon
cf510897f1 Begin conversion so LV id is passed to activation unit instead of
struct logical_volume.
2002-02-25 12:56:16 +00:00
Alasdair Kergon
6a8fd4fa6e Try out using LV locking for reactivation. 2002-02-20 21:30:27 +00:00
Alasdair Kergon
261c73a997 o Support locking with local lock files
o Disable control-c during updates (except if blocked waiting for a lock)
2002-02-11 15:42:34 +00:00
Joe Thornber
286a79d94d o Added functions to display what's in the archive.
o  For now vgcfgrestore -l <vg> displays this list.

A bit hacky, but it'll get better.
2002-02-11 11:43:17 +00:00