You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
152 lines
4.7 KiB
152 lines
4.7 KiB
From 476b00bdeeb6c004b3a758bd842b0fa9e4164508 Mon Sep 17 00:00:00 2001
|
|
From: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
|
|
Date: Mon, 5 Feb 2024 15:50:29 +0100
|
|
Subject: [PATCH 1/1] Revert "mdadm: remove container_enough logic"
|
|
|
|
Mentioned patch changes way of IMSM member arrays assembling, they are
|
|
updated by every new drive incremental processes. Previously, member
|
|
arrays were created and filled once, by last drive incremental process.
|
|
|
|
We determined regressions with various impact. Unfortunately, initial
|
|
testing didn't show them.
|
|
|
|
Regressions are connected to drive appearance order and may not be
|
|
reproducible on every configuration, there are at least two know
|
|
issues for now:
|
|
|
|
- sysfs attributes are filled using old metadata if there is
|
|
outdated drive and it is enumerated first.
|
|
|
|
- rebuild may be aborted and started from beginning after reboot,
|
|
if drive under rebuild is enumerated as the last one.
|
|
|
|
This reverts commit 4dde420fc3e24077ab926f79674eaae1b71de10b. It fixes
|
|
checkpatch issues and reworks logic to remove empty "if" branch in
|
|
Incremental.
|
|
|
|
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
|
|
---
|
|
Incremental.c | 9 +++++++++
|
|
mdadm.h | 7 +++++++
|
|
super-ddf.c | 1 +
|
|
super-intel.c | 32 +++++++++++++++++++++++++++++++-
|
|
4 files changed, 48 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/Incremental.c b/Incremental.c
|
|
index 6cbc164a27b9..30c07c037028 100644
|
|
--- a/Incremental.c
|
|
+++ b/Incremental.c
|
|
@@ -1467,6 +1467,15 @@ static int Incremental_container(struct supertype *st, char *devname,
|
|
|
|
st->ss->getinfo_super(st, &info, NULL);
|
|
|
|
+ if (info.container_enough < 0 || (info.container_enough == 0 && c->runstop < 1)) {
|
|
+ if (c->export)
|
|
+ printf("MD_STARTED=no\n");
|
|
+ else if (c->verbose)
|
|
+ pr_err("Not enough devices to start the container.\n");
|
|
+
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
match = conf_match(st, &info, devname, c->verbose, &rv);
|
|
if (match == NULL && rv == 2)
|
|
return rv;
|
|
diff --git a/mdadm.h b/mdadm.h
|
|
index 709b6104c401..1f28b3e754be 100644
|
|
--- a/mdadm.h
|
|
+++ b/mdadm.h
|
|
@@ -377,6 +377,13 @@ struct mdinfo {
|
|
int container_member; /* for assembling external-metatdata arrays
|
|
* This is to be used internally by metadata
|
|
* handler only */
|
|
+ /**
|
|
+ * flag external handlers can set to indicate that subarrays have:
|
|
+ * - not enough disks to start (-1),
|
|
+ * - enough disks to start (0),
|
|
+ * - all expected disks (1).
|
|
+ */
|
|
+ int container_enough;
|
|
char sys_name[32];
|
|
struct mdinfo *devs;
|
|
struct mdinfo *next;
|
|
diff --git a/super-ddf.c b/super-ddf.c
|
|
index a87e3169d325..7571e3b740c6 100644
|
|
--- a/super-ddf.c
|
|
+++ b/super-ddf.c
|
|
@@ -1975,6 +1975,7 @@ static void getinfo_super_ddf(struct supertype *st, struct mdinfo *info, char *m
|
|
info->array.ctime = DECADE + __be32_to_cpu(*cptr);
|
|
|
|
info->array.chunk_size = 0;
|
|
+ info->container_enough = 1;
|
|
|
|
info->disk.major = 0;
|
|
info->disk.minor = 0;
|
|
diff --git a/super-intel.c b/super-intel.c
|
|
index 6a664a2e58d3..dbea235dd4bd 100644
|
|
--- a/super-intel.c
|
|
+++ b/super-intel.c
|
|
@@ -3778,6 +3778,7 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
|
|
struct intel_super *super = st->sb;
|
|
struct imsm_disk *disk;
|
|
int map_disks = info->array.raid_disks;
|
|
+ int max_enough = -1;
|
|
int i;
|
|
struct imsm_super *mpb;
|
|
|
|
@@ -3819,9 +3820,12 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
|
|
|
|
for (i = 0; i < mpb->num_raid_devs; i++) {
|
|
struct imsm_dev *dev = get_imsm_dev(super, i);
|
|
- int j = 0;
|
|
+ int failed, enough, j, missing = 0;
|
|
struct imsm_map *map;
|
|
+ __u8 state;
|
|
|
|
+ failed = imsm_count_failed(super, dev, MAP_0);
|
|
+ state = imsm_check_degraded(super, dev, failed, MAP_0);
|
|
map = get_imsm_map(dev, MAP_0);
|
|
|
|
/* any newly missing disks?
|
|
@@ -3836,11 +3840,37 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
|
|
|
|
if (!(ord & IMSM_ORD_REBUILD) &&
|
|
get_imsm_missing(super, idx)) {
|
|
+ missing = 1;
|
|
break;
|
|
}
|
|
}
|
|
+
|
|
+ if (state == IMSM_T_STATE_FAILED)
|
|
+ enough = -1;
|
|
+ else if (state == IMSM_T_STATE_DEGRADED &&
|
|
+ (state != map->map_state || missing))
|
|
+ enough = 0;
|
|
+ else /* we're normal, or already degraded */
|
|
+ enough = 1;
|
|
+ if (is_gen_migration(dev) && missing) {
|
|
+ /* during general migration we need all disks
|
|
+ * that process is running on.
|
|
+ * No new missing disk is allowed.
|
|
+ */
|
|
+ max_enough = -1;
|
|
+ enough = -1;
|
|
+ /* no more checks necessary
|
|
+ */
|
|
+ break;
|
|
+ }
|
|
+ /* in the missing/failed disk case check to see
|
|
+ * if at least one array is runnable
|
|
+ */
|
|
+ max_enough = max(max_enough, enough);
|
|
}
|
|
|
|
+ info->container_enough = max_enough;
|
|
+
|
|
if (super->disks) {
|
|
__u32 reserved = imsm_reserved_sectors(super, super->disks);
|
|
|
|
--
|
|
2.32.0 (Apple Git-132)
|
|
|