Differential D25872 Diff 75097 cddl/usr.sbin/zfsd/case_file.cc

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cddl/usr.sbin/zfsd/case_file.cc

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* \file case_file.cc		* \file case_file.cc
*		*
* We keep case files for any leaf vdev that is not in the optimal state.		* We keep case files for any leaf vdev that is not in the optimal state.
* However, we only serialize to disk those events that need to be preserved		* However, we only serialize to disk those events that need to be preserved
* across reboots. For now, this is just a log of soft errors which we		* across reboots. For now, this is just a log of soft errors which we
* accumulate in order to mark a device as degraded.		* accumulate in order to mark a device as degraded.
*/		*/
#include <sys/cdefs.h>		#include <sys/cdefs.h>
		#include <sys/byteorder.h>
#include <sys/time.h>		#include <sys/time.h>

#include <sys/fs/zfs.h>		#include <sys/fs/zfs.h>

#include <dirent.h>		#include <dirent.h>
		#include <fcntl.h>
#include <iomanip>		#include <iomanip>
#include <fstream>		#include <fstream>
#include <functional>		#include <functional>
#include <sstream>		#include <sstream>
#include <syslog.h>		#include <syslog.h>
#include <unistd.h>		#include <unistd.h>

#include <libzfs.h>		#include <libzfs.h>
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#include "vdev.h"		#include "vdev.h"
#include "zfsd.h"		#include "zfsd.h"
#include "zfsd_exception.h"		#include "zfsd_exception.h"
#include "zpool_list.h"		#include "zpool_list.h"

__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

/============================ Namespace Control =============================/		/============================ Namespace Control =============================/
using std::auto_ptr;
using std::hex;		using std::hex;
using std::ifstream;		using std::ifstream;
using std::stringstream;		using std::stringstream;
using std::setfill;		using std::setfill;
using std::setw;		using std::setw;

using DevdCtl::Event;		using DevdCtl::Event;
using DevdCtl::EventFactory;		using DevdCtl::EventFactory;
▲ Show 20 Lines • Show All 147 Lines • ▼ Show 20 Lines	CaseFile::RefreshVdevState()
return (true);		return (true);
}		}

bool		bool
CaseFile::ReEvaluate(const string &devPath, const string &physPath, Vdev *vdev)		CaseFile::ReEvaluate(const string &devPath, const string &physPath, Vdev *vdev)
{		{
ZpoolList zpl(ZpoolList::ZpoolByGUID, &m_poolGUID);		ZpoolList zpl(ZpoolList::ZpoolByGUID, &m_poolGUID);
zpool_handle_t *pool(zpl.empty() ? NULL : zpl.front());		zpool_handle_t *pool(zpl.empty() ? NULL : zpl.front());
zpool_boot_label_t boot_type;
uint64_t boot_size;

if (pool == NULL \|\| !RefreshVdevState()) {		if (pool == NULL \|\| !RefreshVdevState()) {
/*		/*
* The pool or vdev for this case file is no longer		* The pool or vdev for this case file is no longer
* part of the configuration. This can happen		* part of the configuration. This can happen
* if we process a device arrival notification		* if we process a device arrival notification
* before seeing the ZFS configuration change		* before seeing the ZFS configuration change
* event.		* event.
▲ Show 20 Lines • Show All 76 Lines • ▼ Show 20 Lines	syslog(LOG_INFO,
"Ignoring device insertion.\n",		"Ignoring device insertion.\n",
PoolGUIDString().c_str(),		PoolGUIDString().c_str(),
VdevGUIDString().c_str(),		VdevGUIDString().c_str(),
zpool_state_to_name(VdevState(), VDEV_AUX_NONE));		zpool_state_to_name(VdevState(), VDEV_AUX_NONE));
return (/consumed/false);		return (/consumed/false);
}		}

/* Write a label on the newly inserted disk. */		/* Write a label on the newly inserted disk. */
if (zpool_is_bootable(pool))		if (zpool_label_disk(g_zfsHandle, pool, devPath.c_str()) != 0) {
boot_type = ZPOOL_COPY_BOOT_LABEL;
else
boot_type = ZPOOL_NO_BOOT_LABEL;
boot_size = zpool_get_prop_int(pool, ZPOOL_PROP_BOOTSIZE, NULL);
if (zpool_label_disk(g_zfsHandle, pool, devPath.c_str(),
boot_type, boot_size, NULL) != 0) {
syslog(LOG_ERR,		syslog(LOG_ERR,
"Replace vdev(%s/%s) by physical path (label): %s: %s\n",		"Replace vdev(%s/%s) by physical path (label): %s: %s\n",
zpool_get_name(pool), VdevGUIDString().c_str(),		zpool_get_name(pool), VdevGUIDString().c_str(),
libzfs_error_action(g_zfsHandle),		libzfs_error_action(g_zfsHandle),
libzfs_error_description(g_zfsHandle));		libzfs_error_description(g_zfsHandle));
return (/consumed/false);		return (/consumed/false);
}		}

▲ Show 20 Lines • Show All 762 Lines • ▼ Show 20 Lines	\|\| nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
nvlist_free(nvroot);		nvlist_free(nvroot);
return (true);		return (true);
}		}

/* Data was copied when added to the root vdev. */		/* Data was copied when added to the root vdev. */
nvlist_free(newvd);		nvlist_free(newvd);

retval = (zpool_vdev_attach(zhp, oldstr.c_str(), path, nvroot,		retval = (zpool_vdev_attach(zhp, oldstr.c_str(), path, nvroot,
/replace/B_TRUE) == 0);		/replace/B_TRUE, /rebuild/ B_FALSE) == 0);
if (retval)		if (retval)
syslog(LOG_INFO, "Replacing vdev(%s/%s) with %s\n",		syslog(LOG_INFO, "Replacing vdev(%s/%s) with %s\n",
poolname, oldstr.c_str(), path);		poolname, oldstr.c_str(), path);
else		else
syslog(LOG_ERR, "Replace vdev(%s/%s): %s: %s\n",		syslog(LOG_ERR, "Replace vdev(%s/%s): %s: %s\n",
poolname, oldstr.c_str(), libzfs_error_action(g_zfsHandle),		poolname, oldstr.c_str(), libzfs_error_action(g_zfsHandle),
libzfs_error_description(g_zfsHandle));		libzfs_error_description(g_zfsHandle));
nvlist_free(nvroot);		nvlist_free(nvroot);
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