- storage_mon: fix handling of 4k block devices
Resolves: RHEL-127006
This commit is contained in:
Oyvind Albrigtsen
parent
85680163ca
commit
6de14eddc8
158
RHEL-127006-storage_mon-fix-handling-of-4k-block-devices.patch
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158
RHEL-127006-storage_mon-fix-handling-of-4k-block-devices.patch
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@ -0,0 +1,158 @@
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From 48455cb6cef9c5b849045bc838bc2b5ccd01b0fe Mon Sep 17 00:00:00 2001
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From: Klaus Wenninger <klaus.wenninger@aon.at>
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Date: Fri, 7 Nov 2025 17:06:57 +0100
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Subject: [PATCH 1/3] storage_mon: refactor removing basically duplicate code
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---
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tools/storage_mon.c | 45 ++++++++++++++++-----------------------------
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1 file changed, 16 insertions(+), 29 deletions(-)
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diff --git a/tools/storage_mon.c b/tools/storage_mon.c
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index 27d2ff1d1..fa9bd0cbc 100644
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--- a/tools/storage_mon.c
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+++ b/tools/storage_mon.c
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@@ -119,6 +119,8 @@ static void *test_device(const char *device, int verbose, int inject_error_perce
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int device_fd;
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int res;
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off_t seek_spot;
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+ int sec_size = 512;
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+ void *buffer;
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if (verbose) {
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printf("Testing device %s\n", device);
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@@ -164,9 +166,6 @@ static void *test_device(const char *device, int verbose, int inject_error_perce
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}
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if (flags & O_DIRECT) {
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- int sec_size = 0;
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- void *buffer;
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-
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#ifdef __FreeBSD__
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res = ioctl(device_fd, DIOCGSECTORSIZE, &sec_size);
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#else
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@@ -176,33 +175,21 @@ static void *test_device(const char *device, int verbose, int inject_error_perce
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PRINT_STORAGE_MON_ERR("Failed to get block device sector size for %s: %s", device, strerror(errno));
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goto error;
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}
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+ }
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- if (posix_memalign(&buffer, sysconf(_SC_PAGESIZE), sec_size) != 0) {
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- PRINT_STORAGE_MON_ERR("Failed to allocate aligned memory: %s", strerror(errno));
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- goto error;
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- }
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- res = read(device_fd, buffer, sec_size);
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- free(buffer);
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- if (res < 0) {
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- PRINT_STORAGE_MON_ERR("Failed to read %s: %s", device, strerror(errno));
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- goto error;
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- }
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- if (res < sec_size) {
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- PRINT_STORAGE_MON_ERR("Failed to read %d bytes from %s, got %d", sec_size, device, res);
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- goto error;
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- }
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- } else {
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- char buffer[512];
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-
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- res = read(device_fd, buffer, sizeof(buffer));
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- if (res < 0) {
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- PRINT_STORAGE_MON_ERR("Failed to read %s: %s", device, strerror(errno));
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- goto error;
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- }
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- if (res < (int)sizeof(buffer)) {
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- PRINT_STORAGE_MON_ERR("Failed to read %ld bytes from %s, got %d", sizeof(buffer), device, res);
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- goto error;
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- }
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+ if (posix_memalign(&buffer, sysconf(_SC_PAGESIZE), sec_size) != 0) {
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+ PRINT_STORAGE_MON_ERR("Failed to allocate aligned memory: %s", strerror(errno));
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+ goto error;
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+ }
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+ res = read(device_fd, buffer, sec_size);
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+ free(buffer);
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+ if (res < 0) {
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+ PRINT_STORAGE_MON_ERR("Failed to read %s: %s", device, strerror(errno));
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+ goto error;
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+ }
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+ if (res < sec_size) {
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+ PRINT_STORAGE_MON_ERR("Failed to read %d bytes from %s, got %d", sec_size, device, res);
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+ goto error;
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}
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/* Fake an error */
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From 310f224fc7d9a6f4fca234f10696e6049c8f2666 Mon Sep 17 00:00:00 2001
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From: Klaus Wenninger <klaus.wenninger@aon.at>
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Date: Fri, 7 Nov 2025 17:14:06 +0100
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Subject: [PATCH 2/3] storage_mon.c: refactor moving up getting blocksize
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if that fails we can bail out without unnecessary seek
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---
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tools/storage_mon.c | 24 ++++++++++++------------
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1 file changed, 12 insertions(+), 12 deletions(-)
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diff --git a/tools/storage_mon.c b/tools/storage_mon.c
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index fa9bd0cbc..960266a74 100644
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--- a/tools/storage_mon.c
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+++ b/tools/storage_mon.c
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@@ -152,6 +152,18 @@ static void *test_device(const char *device, int verbose, int inject_error_perce
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PRINT_STORAGE_MON_INFO("%s: opened %s O_DIRECT, size=%zu", device, (flags & O_DIRECT)?"with":"without", devsize);
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}
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+ if (flags & O_DIRECT) {
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+#ifdef __FreeBSD__
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+ res = ioctl(device_fd, DIOCGSECTORSIZE, &sec_size);
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+#else
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+ res = ioctl(device_fd, BLKSSZGET, &sec_size);
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+#endif
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+ if (res < 0) {
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+ PRINT_STORAGE_MON_ERR("Failed to get block device sector size for %s: %s", device, strerror(errno));
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+ goto error;
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+ }
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+ }
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+
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/* Don't fret about real randomness */
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srand(time(NULL) + getpid());
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/* Pick a random place on the device - sector aligned */
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@@ -165,18 +177,6 @@ static void *test_device(const char *device, int verbose, int inject_error_perce
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PRINT_STORAGE_MON_INFO("%s: reading from pos %ld", device, seek_spot);
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}
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- if (flags & O_DIRECT) {
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-#ifdef __FreeBSD__
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- res = ioctl(device_fd, DIOCGSECTORSIZE, &sec_size);
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-#else
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- res = ioctl(device_fd, BLKSSZGET, &sec_size);
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-#endif
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- if (res < 0) {
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- PRINT_STORAGE_MON_ERR("Failed to get block device sector size for %s: %s", device, strerror(errno));
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- goto error;
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- }
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- }
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-
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if (posix_memalign(&buffer, sysconf(_SC_PAGESIZE), sec_size) != 0) {
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PRINT_STORAGE_MON_ERR("Failed to allocate aligned memory: %s", strerror(errno));
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goto error;
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From ac19911ce550d5eca42be6cb44632384bdf8e1c9 Mon Sep 17 00:00:00 2001
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From: Klaus Wenninger <klaus.wenninger@aon.at>
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Date: Fri, 7 Nov 2025 17:18:45 +0100
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Subject: [PATCH 3/3] storage_mon.c: fix block-seek mask deriving it from the
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block-size
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now this is as well working for e.g. 4K block-devices
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---
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tools/storage_mon.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/tools/storage_mon.c b/tools/storage_mon.c
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index 960266a74..6c4555f04 100644
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--- a/tools/storage_mon.c
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+++ b/tools/storage_mon.c
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@@ -167,7 +167,7 @@ static void *test_device(const char *device, int verbose, int inject_error_perce
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/* Don't fret about real randomness */
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srand(time(NULL) + getpid());
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/* Pick a random place on the device - sector aligned */
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- seek_spot = (rand() % (devsize-1024)) & 0xFFFFFFFFFFFFFE00;
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+ seek_spot = (rand() % (devsize-sec_size)) & ~(((off_t) sec_size)-1);
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res = lseek(device_fd, seek_spot, SEEK_SET);
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if (res < 0) {
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PRINT_STORAGE_MON_ERR("Failed to seek %s: %s", device, strerror(errno));
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@ -45,7 +45,7 @@
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Name: resource-agents
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Summary: Open Source HA Reusable Cluster Resource Scripts
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Version: 4.10.0
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Release: 95%{?rcver:%{rcver}}%{?numcomm:.%{numcomm}}%{?alphatag:.%{alphatag}}%{?dirty:.%{dirty}}%{?dist}
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Release: 96%{?rcver:%{rcver}}%{?numcomm:.%{numcomm}}%{?alphatag:.%{alphatag}}%{?dirty:.%{dirty}}%{?dist}
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License: GPLv2+ and LGPLv2+
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URL: https://github.com/ClusterLabs/resource-agents
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Source0: %{upstream_prefix}-%{upstream_version}.tar.gz
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@ -184,6 +184,7 @@ Patch131: RHEL-64949-oracle-improve-monpassword-description.patch
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Patch132: RHEL-109485-1-nfsserver-support-non-clustered-kerberized-mounts.patch
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Patch133: RHEL-109485-2-nfsserver-fix-error-message.patch
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Patch134: RHEL-114489-3-powervs-move-ip-add-iflabel-parameter.patch
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Patch135: RHEL-127006-storage_mon-fix-handling-of-4k-block-devices.patch
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# bundled ha-cloud-support libs
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Patch500: ha-cloud-support-aliyun.patch
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@ -463,6 +464,7 @@ exit 1
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%patch -p1 -P 132
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%patch -p1 -P 133
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%patch -p1 -P 134
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%patch -p1 -P 135
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# bundled ha-cloud-support libs
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%patch -p1 -P 500
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@ -795,6 +797,11 @@ rm -rf %{buildroot}/usr/share/doc/resource-agents
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%{_usr}/lib/ocf/lib/heartbeat/OCF_*.pm
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%changelog
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* Mon Nov 10 2025 Oyvind Albrigtsen <oalbrigt@redhat.com> - 4.10.0-96
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- storage_mon: fix handling of 4k block devices
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Resolves: RHEL-127006
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* Mon Nov 3 2025 Oyvind Albrigtsen <oalbrigt@redhat.com> - 4.10.0-95
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- powervs-move-ip: new resource agent
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