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Commit Graph

111 Commits

Author SHA1 Message Date
Joe Thornber
0e32e054df o add find_cow function. 2002-02-21 10:16:33 +00:00
Alasdair Kergon
b6afcf6458 Remove VG arg from lv_is_cow() and lv_is_origin() - use lv->vg instead. 2002-02-20 19:04:55 +00:00
Alasdair Kergon
a45f546fe0 o Use 'pvcreate --setphysicalvolumesize' with no short form (instead of -s)
and add severe warning if it's used to make a device seem bigger than
  it really is.  This is not an option people should be using as it
  breaks metadata integrity.
o Use uint64_t throughout (rather than unsigned long long)
o Convert a few messages that contain pathnames into the more common form:
  pathname: message
2002-02-20 18:29:30 +00:00
Heinz Mauelshagen
e1d93eb457 Second path on "pvcreate -s" 2002-02-15 14:33:59 +00:00
Heinz Mauelshagen
f48d3bcbd0 First cut on "pvcreate -s" 2002-02-15 01:26:16 +00:00
Joe Thornber
e56598a84d o Initialise the snapshot list properly in vgcreate. 2002-02-14 15:06:24 +00:00
Joe Thornber
0a9f8bcf97 o First pass at format1 snapshot support. 2002-02-13 11:43:29 +00:00
Joe Thornber
7d68b08028 o First changes to add snapshot support.
I'm taking a different route from LVM1 here in that snapshots are a
seperate entity from the logical volumes, I think of them as an
application of an LV (or two lvs rather).  As such there is a list of
snapshots held against the vg, and there is *not* a SNAPSHOT, or
SHAPSHOT_ORG flag in lv->status.
2002-02-12 16:31:31 +00:00
Alasdair Kergon
60274aba6e Preparation for an LVM2 liblvm - pass cmd_context into each tool and
link some globals that the tools need into that structure.
2002-02-11 20:50:53 +00:00
Joe Thornber
e74999af51 o Add cmd_line field to struct cmd_context
o  Text format now has a description and time field at the top level.

o  archiving and backup set the description appropriately. eg,

   for an archive:

     description = "Created *before* executing 'lvextend test_vg/lvol0 -l +1'."
     creation_time = 1013166332

   for a backup:

     description = "Created *after* executing 'lvextend test_vg/lvol0 -l +1'."
     creation_time = 1013166332

This is preparing the way for a simple vgcfgundo command.
2002-02-08 11:13:47 +00:00
Alasdair Kergon
812c699c8d Basic support for persistent minor numbers;
slightly different from the current LVM1 method.

  lvcreate --persistent y  --minor 10   (to specify when created)
  lvchange --persistent n  (to turn off)
  lvchange --persistent y  --minor 11   (to change)

--persistent uses a new LV status flag stored on disk
minor number is stored on disk the same way as LVM1 does
(but major number stored is 0; any LVM1 major/minor setting gets lost)

  lvchange -ay --minor 12 (to activate using minor 12, regardless of the
                           on-disk setting, which doesn't get changed)

--minor == -m
--persistent == -M
2002-02-01 17:54:39 +00:00
Alasdair Kergon
851866d2fc Allocate fixed space for vg->system_id when vg is created, instead of
dynamically.
2002-01-30 12:47:29 +00:00
Alasdair Kergon
f53c6aa66e o Basic support for exporting (but importing not completed yet).
o When volume group does not have write flag set, prevent changes to it.
o Preparation for partial activation (not completed yet).
2002-01-29 17:23:33 +00:00
Joe Thornber
4b2ec1929a o There were some alignment problems with pool-debug which I've resolved
by allocating the data block with an additional dbg_malloc.

o  Added an assertion to check that no one is requesting alternate
   alignment for memory allocated from pool.  I can't see us needing this
   for LVM2.
2002-01-28 09:16:09 +00:00
Alasdair Kergon
1176eb2597 Tweak some error message levels. 2002-01-27 21:30:47 +00:00
Alasdair Kergon
7743c8685e Clear a FIXME about checking for identical devices by comparing dev_t
instead of name.
2002-01-24 22:37:24 +00:00
Alasdair Kergon
b2207a1c40 Improve allocation error messages when PVs in a VG have the allocatable
flag unset.
2002-01-24 17:26:00 +00:00
Joe Thornber
0cf2445bb7 o Add extra parameter to lv_manip fns 2002-01-24 17:15:49 +00:00
Joe Thornber
75e4d06ade o Allow fractional parts for size args. eg, lvcreate -L 34.4M
o  Fix a couple of bugs related to the earlier lv_list change
2002-01-21 17:43:10 +00:00
Joe Thornber
f868d63582 o Similar changes for lv_list. 2002-01-21 16:49:32 +00:00
Joe Thornber
4d67a0787f o Typo in comment 2002-01-21 16:10:36 +00:00
Joe Thornber
cc282870dd o Changed
struct pv_list {
	struct list list;
	struct physical_volume pv;
   };

   to

   struct pv_list {
	struct list list;
	struct physical_volume *pv;
   };


o  New function in toollib 'create_pv_list', which creates a list of pv's
   from a given command line array of pv's.

o  Changed lvcreate/extend to use this (fixes lvextend [pv list] bug).
2002-01-21 16:05:23 +00:00
Joe Thornber
e586401ecb o Changed find_pv_in_vg, and find_lv_in_vg to return a struct pv_list * and
struct lv_list * respectively.
2002-01-21 14:28:12 +00:00
Alasdair Kergon
add7dc2d5a o pvcreate --uuid to specify the uuid (required before using vgcfgrestore
onto a new device).  uuid specified must not already exist on the system.
o More message tidying.
o When checking for label, only read PV metadata.
o Add ataraid.  [Needs moving into config/defaults files.]
2002-01-16 18:10:08 +00:00
Joe Thornber
f2f2634990 o vgcfgrestore works ! (with the couple of examples I tried). 2002-01-15 17:37:23 +00:00
Alasdair Kergon
4a624ca055 o ACTIVE is no longer a status flag - lv_active() used to check if an LV
is active in the device-mapper.
o Many operations can be carried out regardless of whether the VG is
  active or not.
o vgscan does not activate anything - use vgchange.
o Change lvrename to support renaming of active LVs.
o Remove '//' appearing in some pathnames.
o Dummy lv_check_segments() for compilation.
2002-01-10 23:21:07 +00:00
Joe Thornber
c6cc24ea3f o _read_id function for import.c 2002-01-10 18:12:26 +00:00
Alasdair Kergon
b80f32dd0a Clarify terminology:
VG is resizeable  - PVs can be added or removed
  PV is allocatable - free extents on it may be allocated to LVs
2002-01-10 15:09:51 +00:00
Joe Thornber
9b5db6c270 o First pass at import.c. Still waiting for label code for the uuid->pv
mapping.
2002-01-10 11:18:08 +00:00
Joe Thornber
5a72a50367 o vgcreate wasn't setting vg->cmd 2002-01-07 15:27:55 +00:00
Joe Thornber
16ab7a0da2 o New function 'merge_segments'
o  Call said function at end of lv_extend
2002-01-07 15:08:28 +00:00
Joe Thornber
3eb1b74b29 o Get format-text.c compiling. 2002-01-07 09:16:20 +00:00
Alasdair Kergon
41b2fd5f4d o Use lvm_snprintf wherever return value is used
o Add parameters to set retention limits for backups
2001-12-31 19:09:51 +00:00
Joe Thornber
9f44467d44 o sync backup changes 2001-12-20 11:52:54 +00:00
Joe Thornber
e8bacbc465 o sync the backup stuff 2001-12-17 19:46:10 +00:00
Alasdair Kergon
faa556e759 Add internal cache holding a 'hint' list of the PVs belonging to each VG.
A substantial speed-up - particularly in readline mode.
If the hints turn out to be wrong, the relevant parts get thrown away.
vgscan destroys it totally.  In both cases it then rebuilds itself as
required.
2001-12-13 00:07:29 +00:00
Alasdair Kergon
b74c8033a2 Fixes for allocation of striped volumes. 2001-12-07 21:17:12 +00:00
Alasdair Kergon
7a61472a0a More striping support & fixes. 2001-12-03 16:27:16 +00:00
Joe Thornber
c0ca88c287 o Comparison function was sorting things in ascending rather than
descending order.

o free off the sort array when finished with it.
2001-11-30 09:19:46 +00:00
Joe Thornber
488a58a998 o Striped allocator
o  Changed pv_map.c to maintain the list of free areas in size order, which
   is more helpful to the allocators.  If you want to allocate a bit of an
   area call consume_area(area, size), this will adjust the area if there's
   some space left and shuffle it to the correct place in the list.


Not tested.
2001-11-29 18:45:35 +00:00
Alasdair Kergon
579944d327 o Tool support for segments.
o vgmerge working.
2001-11-28 13:45:50 +00:00
Joe Thornber
39497a4479 o These now compile. 2001-11-27 17:39:15 +00:00
Joe Thornber
0bab65915d o Sync up todays work on converting to the segmented representation of
logical volumes.  It includes:

   format1 changes.

   metadata.h changes.

   lv_manip.c changed (striped allocation still not done though).

   activate.c changes.

Nothing has been near a compiler as yet.

Alasdair can you look at changing display.c to use to output the mappings
in a more segment oriented format please ?

I haven't put the span list into struct physical_volume to represent allocated
extents.  I think the burden of maintaining it for things like lv_extend may
out weigh it's uses.
2001-11-27 16:37:33 +00:00
Joe Thornber
79b0c9f89a o change chunk_size to stripe_size 2001-11-26 16:30:43 +00:00
Joe Thornber
f95627cf8a o More metadata changes. 2001-11-26 16:18:48 +00:00
Alasdair Kergon
6b35c7eb9d LV create/extend prototype changes for striping 2001-11-26 15:31:46 +00:00
Joe Thornber
3390d370d0 o make it obvious that stripe_segment is variable sized. 2001-11-26 13:15:22 +00:00
Joe Thornber
79437c2734 o segments will have to be held as an array of pointers since they're now
variable sized.
2001-11-26 13:03:36 +00:00
Joe Thornber
23687ed34d o sync the new in core rep. for Alasdair.
This will break everything !  Hopefully things will be working again by
   this evening.
2001-11-26 12:49:29 +00:00
Alasdair Kergon
3080a75445 o activation & active status tests
o lvdisplay fields from kernel
o update lv->size on resize
2001-11-21 19:32:35 +00:00