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Allows 1 or 2 UUID change without the need of the -U option.

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This commit is contained in:
Andrea Mazzoleni 2013-03-04 21:37:26 +01:00
parent 768113c670
commit 1973c32f30
4 changed files with 13 additions and 16 deletions
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9
snapraid.1
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@ -509,10 +509,13 @@ This option can be used only with the \(a"sync\(a" command.
.B \(hyU, \(hy\(hyforce\(hyuuid
Forces the insecure operation of syncing, checking and fixing
with disks that have changed the UUID.
If SnapRAID detects that a disk has changed UUID,
If SnapRAID detects that some disks have changed UUID,
it stops proceeding unless you specify this option.
This allows to detect when your disks are mounted in the
wrong mount points.
It\(cqs anyway allowed to have a single UUID change with
single parity, and two with double parity, because it\(cqs
the normal case of replacing disks.
This option can be used only with the \(a"sync\(a", \(a"check\(a" or
\(a"fix\(a" command.
.TP
@ -939,10 +942,6 @@ Where NAME is the name of the disk, like \(a"d1\(a" as in our previous example.
.PP
This command will take a long time.
.PP
If the command doesn\(cqt start complaining that the failed and replaced
disk has changed UUID, just add the \(cq\(hyU\(cq option.
But ensure that the failed disk is the only one with the UUID changed.
.PP
You can also add the \(cq\(hyv\(cq option to see on the console the fixed files.
.PP
Take care that you need also few gigabytes free to store the fix.log file.

9
snapraid.d
View file

@ -366,10 +366,13 @@ Options
-U, --force-uuid
Forces the insecure operation of syncing, checking and fixing
with disks that have changed the UUID.
If SnapRAID detects that a disk has changed UUID,
If SnapRAID detects that some disks have changed UUID,
it stops proceeding unless you specify this option.
This allows to detect when your disks are mounted in the
wrong mount points.
It's anyway allowed to have a single UUID change with
single parity, and two with double parity, because it's
the normal case of replacing disks.
This option can be used only with the "sync", "check" or
"fix" command.
@ -661,10 +664,6 @@ Recovering
This command will take a long time.
If the command doesn't start complaining that the failed and replaced
disk has changed UUID, just add the '-U' option.
But ensure that the failed disk is the only one with the UUID changed.
You can also add the '-v' option to see on the console the fixed files.
Take care that you need also few gigabytes free to store the fix.log file.

9
snapraid.txt
View file

@ -401,10 +401,13 @@ SnapRAID provides the following options:
-U, --force-uuid
Forces the insecure operation of syncing, checking and fixing
with disks that have changed the UUID.
If SnapRAID detects that a disk has changed UUID,
If SnapRAID detects that some disks have changed UUID,
it stops proceeding unless you specify this option.
This allows to detect when your disks are mounted in the
wrong mount points.
It's anyway allowed to have a single UUID change with
single parity, and two with double parity, because it's
the normal case of replacing disks.
This option can be used only with the "sync", "check" or
"fix" command.
@ -725,10 +728,6 @@ Where NAME is the name of the disk, like "d1" as in our previous example.
This command will take a long time.
If the command doesn't start complaining that the failed and replaced
disk has changed UUID, just add the '-U' option.
But ensure that the failed disk is the only one with the UUID changed.
You can also add the '-v' option to see on the console the fixed files.
Take care that you need also few gigabytes free to store the fix.log file.

2
state.c
View file

@ -727,7 +727,7 @@ static void state_map(struct snapraid_state* state)
pathcpy(map->uuid, sizeof(map->uuid), uuid);
}
if (!state->force_uuid && uuid_mismatch > 0) {
if (!state->force_uuid && uuid_mismatch > state->level) {
fprintf(stderr, "Some disks have UUID changed from the latest 'sync'.\n");
fprintf(stderr, "If this happens because you really replaced them,\n");
fprintf(stderr, "you can '%s' anyway, using 'snapraid --force-uuid %s'.\n", state->command, state->command);