struct rx_connection *aconn;
afs_int32 code = 0;
- aconn = (struct rx_connection *)0;
aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
code = AFSVolPartitionInfo64(aconn, pname, partition);
if (code == RXGEN_OPCODE) {
struct volintInfo tstatus;
tid = 0;
- aconn = (struct rx_connection *)0;
error = 0;
init_volintInfo(&tstatus);
code =
AFSVolTransCreate_retry(aconn, avolid, apart, ITOffline, &ttid);
+ /* return early and quietly for VNOVOL; don't continue the attempt to delete. */
+ if (code == VNOVOL) {
+ error = code;
+ goto dfail;
+ }
+
EGOTO2(dfail, code, "%sFailed to start transaction on %u\n",
prefix, avolid);
return error;
}
+/* Convert volume from RO to RW; adjust the VLDB entry to match.
+ * The nvldbentry passed to us has already been MapHostToNetwork'd
+ * by the caller.
+ */
+
+int
+UV_ConvertRO(afs_uint32 server, afs_uint32 partition, afs_uint32 volid,
+ struct nvldbentry *entry)
+{
+ afs_int32 code, i, same;
+ struct nvldbentry checkEntry, storeEntry;
+ afs_int32 vcode;
+ afs_int32 rwindex = 0;
+ afs_uint32 rwserver = 0;
+ afs_int32 roindex = 0;
+ afs_uint32 roserver = 0;
+ struct rx_connection *aconn;
+
+ vcode =
+ ubik_VL_SetLock(cstruct, 0, entry->volumeId[RWVOL], RWVOL,
+ VLOP_MOVE);
+ if (vcode) {
+ fprintf(STDERR,
+ "Unable to lock volume %lu, code %d\n",
+ (unsigned long)entry->volumeId[RWVOL],vcode);
+ PrintError("", vcode);
+ return -1;
+ }
+
+ /* make sure the VLDB entry hasn't changed since we started */
+ memset(&checkEntry, 0, sizeof(checkEntry));
+ vcode = VLDB_GetEntryByID(volid, -1, &checkEntry);
+ if (vcode) {
+ fprintf(STDERR,
+ "Could not fetch the entry for volume %lu from VLDB\n",
+ (unsigned long)volid);
+ PrintError("convertROtoRW ", vcode);
+ code = vcode;
+ goto error_exit;
+ }
+
+ MapHostToNetwork(&checkEntry);
+ entry->flags &= ~VLOP_ALLOPERS; /* clear any stale lock operation flags */
+ entry->flags |= VLOP_MOVE; /* set to match SetLock operation above */
+ if (memcmp(entry, &checkEntry, sizeof(*entry)) != 0) {
+ fprintf(STDERR,
+ "VLDB entry for volume %lu has changed; please reissue the command.\n",
+ (unsigned long)volid);
+ code = -1;
+ goto error_exit;
+ }
+
+ /* extract information from the original entry */
+ for (i = 0; i < entry->nServers; i++) {
+ if (entry->serverFlags[i] & ITSRWVOL) {
+ rwindex = i;
+ rwserver = entry->serverNumber[i];
+ /* rwpartition = entry->serverPartition[i]; */
+ if (roserver)
+ break;
+ } else if ((entry->serverFlags[i] & ITSROVOL) && !roserver) {
+ same = VLDB_IsSameAddrs(server, entry->serverNumber[i], &code);
+ if (code) {
+ fprintf(STDERR,
+ "Failed to get info about server's %d address(es) from vlserver (err=%d); aborting call!\n",
+ server, code);
+ code = ENOENT;
+ goto error_exit;
+ }
+ if (same) {
+ roindex = i;
+ roserver = entry->serverNumber[i];
+ /* ropartition = entry->serverPartition[i]; */
+ if (rwserver)
+ break;
+ }
+ }
+ }
+
+ aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
+ code = AFSVolConvertROtoRWvolume(aconn, partition, volid);
+ if (code) {
+ fprintf(STDERR,
+ "Converting RO volume %lu to RW volume failed with code %d\n",
+ (unsigned long)volid, code);
+ PrintError("convertROtoRW ", code);
+ goto error_exit;
+ }
+ /* Update the VLDB to match what we did on disk as much as possible. */
+ /* If the converted RO was in the VLDB, make it look like the new RW. */
+ if (roserver) {
+ entry->serverFlags[roindex] = ITSRWVOL;
+ } else {
+ /* Add a new site entry for the newly created RW. It's possible
+ * (but unlikely) that we are already at MAXNSERVERS and that this
+ * new site will invalidate the whole VLDB entry; however,
+ * VLDB_ReplaceEntry will detect this and return VL_BADSERVER,
+ * so we need no extra guard logic here.
+ */
+ afs_int32 newrwindex = entry->nServers;
+ (entry->nServers)++;
+ entry->serverNumber[newrwindex] = server;
+ entry->serverPartition[newrwindex] = partition;
+ entry->serverFlags[newrwindex] = ITSRWVOL;
+ }
+ entry->flags |= RW_EXISTS;
+ entry->flags &= ~BACK_EXISTS;
+
+ /* if the old RW was in the VLDB, remove it by decrementing the number */
+ /* of servers, replacing the RW entry with the last entry, and zeroing */
+ /* out the last entry. */
+ if (rwserver) {
+ (entry->nServers)--;
+ if (rwindex != entry->nServers) {
+ entry->serverNumber[rwindex] = entry->serverNumber[entry->nServers];
+ entry->serverPartition[rwindex] =
+ entry->serverPartition[entry->nServers];
+ entry->serverFlags[rwindex] = entry->serverFlags[entry->nServers];
+ entry->serverNumber[entry->nServers] = 0;
+ entry->serverPartition[entry->nServers] = 0;
+ entry->serverFlags[entry->nServers] = 0;
+ }
+ }
+ entry->flags &= ~RO_EXISTS;
+ for (i = 0; i < entry->nServers; i++) {
+ if (entry->serverFlags[i] & ITSROVOL) {
+ if (!(entry->serverFlags[i] & (RO_DONTUSE | NEW_REPSITE)))
+ entry->flags |= RO_EXISTS;
+ }
+ }
+ MapNetworkToHost(entry, &storeEntry);
+ code =
+ VLDB_ReplaceEntry(entry->volumeId[RWVOL], RWVOL, &storeEntry,
+ (LOCKREL_OPCODE | LOCKREL_AFSID |
+ LOCKREL_TIMESTAMP));
+ if (code) {
+ fprintf(STDERR,
+ "Warning: volume converted, but vldb update failed with code %d!\n",
+ code);
+ }
+
+ error_exit:
+ vcode = UV_LockRelease(entry->volumeId[RWVOL]);
+ if (vcode) {
+ fprintf(STDERR,
+ "Unable to unlock volume %lu, code %d\n",
+ (unsigned long)entry->volumeId[RWVOL],vcode);
+ PrintError("", vcode);
+ }
+ return code;
+}
+
+
/* Move volume <afromvol> on <afromserver> <afrompart> to <atoserver>
* <atopart>. The operation is almost idempotent. The following
* flags are recognized:
pntg = 1;
toconn = UV_Bind(atoserver, AFSCONF_VOLUMEPORT); /* get connections to the servers */
fromconn = UV_Bind(afromserver, AFSCONF_VOLUMEPORT);
- fromtid = totid = 0; /* initialize to uncreated */
+ totid = 0; /* initialize to uncreated */
/* ***
* clone the read/write volume locally.
code = DoVolDelete(fromconn, newVol, afrompart,
"cloned", 0, NULL, NULL);
if (code) {
+ if (code == VNOVOL) {
+ EPRINT1(code, "Failed to start transaction on %u\n", newVol);
+ }
error = code;
goto mfail;
}
fflush(STDOUT);
}
- if (volid && toconn)
+ if (volid && toconn) {
code = DoVolDelete(toconn, volid, atopart,
"destination", 0, NULL, "Recovery:");
+ if (code == VNOVOL) {
+ EPRINT1(code, "Recovery: Failed to start transaction on %u\n", volid);
+ }
+ }
/* put source volume on-line */
if (fromconn) {
if (fromconn) {
code = DoVolDelete(fromconn, backupId, afrompart,
"backup", 0, NULL, "Recovery:");
+ if (code == VNOVOL) {
+ EPRINT1(code, "Recovery: Failed to start transaction on %u\n", backupId);
+ }
code = DoVolDelete(fromconn, afromvol, afrompart, "source",
(atoserver != afromserver)?atoserver:0,
- NULL, NULL);
+ NULL, NULL);
+ if (code == VNOVOL) {
+ EPRINT1(code, "Failed to start transaction on %u\n", afromvol);
+ }
}
}
/* common cleanup - delete local clone */
if (newVol) {
code = DoVolDelete(fromconn, newVol, afrompart,
- "clone", 0, NULL, "Recovery:");
+ "clone", 0, NULL, "Recovery:");
+ if (code == VNOVOL) {
+ EPRINT1(code, "Recovery: Failed to start transaction on %u\n", newVol);
+ }
}
/* unlock VLDB entry */
ubik_VL_ReleaseLock(cstruct, 0, afromvol, -1,
(LOCKREL_OPCODE | LOCKREL_AFSID | LOCKREL_TIMESTAMP));
VDONE;
- islocked = 0;
}
done: /* routine cleanup */
if (volName)
code = DoVolDelete(fromconn, cloneVol, afrompart,
"cloned", 0, NULL, NULL);
if (code) {
+ if (code == VNOVOL) {
+ EPRINT1(code, "Failed to start transaction on %u\n", cloneVol);
+ }
error = code;
goto mfail;
}
MapHostToNetwork(&entry);
/* common cleanup - delete local clone */
- if (cloneVol)
+ if (cloneVol) {
code = DoVolDelete(fromconn, cloneVol, afrompart,
- "clone", 0, NULL, "Recovery:");
+ "clone", 0, NULL, "Recovery:");
+ if (code == VNOVOL) {
+ EPRINT1(code, "Recovery: Failed to start transaction on %u\n", cloneVol);
+ }
+ }
done: /* routine cleanup */
if (fromconn)
/* If the volume does not exist, create it */
if (!volid || code) {
- char volname[64];
+ char volname[VL_MAXNAMELEN];
char hoststr[16];
if (volid && (code != VNOVOL)) {
goto fail;
}
- strcpy(volname, vldbEntryPtr->name);
+ strlcpy(volname, vldbEntryPtr->name, sizeof(volname));
+
+ if (strlcat(volname,
+ tmpVolId?".roclone":".readonly",
+ sizeof(volname)) >= sizeof(volname)) {
+ code = ENOMEM;
+ PrintError("Volume name is too long\n", code);
+ goto fail;
+ }
+
if (tmpVolId)
strcat(volname, ".roclone");
else
afs_uint32 cloneVolId = 0, roVolId;
struct replica *replicas = 0;
struct nvldbentry entry, storeEntry;
- int i, volcount = 0, m, fullrelease, vldbindex;
+ int i, volcount = 0, m, vldbindex;
int failure;
struct restoreCookie cookie;
struct rx_connection **toconns = 0;
int notreleased = 0;
int tried_justnewsites = 0;
int justnewsites = 0; /* are we just trying to release to new RO sites? */
+ int sites = 0; /* number of ro sites */
+ int new_sites = 0; /* number of ro sites markes as new */
+
+ typedef enum {
+ CR_RECOVER = 0x0000, /**< not complete: a recovery from a previous failed release */
+ CR_FORCED = 0x0001, /**< complete: forced by caller */
+ CR_LAST_OK = 0x0002, /**< complete: no sites have been marked as new release */
+ CR_ALL_NEW = 0x0004, /**< complete: all sites have been marked as new release */
+ CR_NEW_RW = 0x0008, /**< complete: read-write has changed */
+ CR_RO_MISSING = 0x0010, /**< complete: ro clone is missing */
+ } complete_release_t;
+
+ complete_release_t complete_release = CR_RECOVER;
memset(remembertime, 0, sizeof(remembertime));
memset(&results, 0, sizeof(results));
ONERROR(vcode, entry.name, "Could not update vldb entry for %s.\n");
}
- /* Will we be completing a previously unfinished release. -force overrides */
- for (s = 0, m = 0, fullrelease=0, i=0; (i<entry.nServers); i++) {
+ /*
+ * Determine if this is to be a complete release or a recovery of a
+ * previous unfinished release. The previous release is considered to be
+ * unfinished when the clone was successfully distributed to at least one
+ * (but not all) of the read-only sites, as indicated by the NEW_REPSITE
+ * vldb flags.
+ *
+ * The caller can override the vldb flags check using the -force
+ * flag, to force this to be a complete release.
+ */
+ for (i = 0; i < entry.nServers; i++) {
if (entry.serverFlags[i] & ITSROVOL) {
- m++;
- if (entry.serverFlags[i] & NEW_REPSITE) s++;
- if (entry.serverFlags[i] & RO_DONTUSE) notreleased++;
+ sites++;
+ if (entry.serverFlags[i] & NEW_REPSITE)
+ new_sites++;
+ if (entry.serverFlags[i] & RO_DONTUSE)
+ notreleased++;
}
origflags[i] = entry.serverFlags[i];
}
- if ((forceflag && !fullrelease) || (s == m) || (s == 0))
- fullrelease = 1;
- if (!forceflag && (s == m || s == 0)) {
- if (notreleased && notreleased != m) {
+ if (forceflag) {
+ complete_release |= CR_FORCED;
+ }
+
+ if (new_sites == 0) {
+ complete_release |= CR_LAST_OK;
+ } else if (new_sites == sites) {
+ complete_release |= CR_ALL_NEW;
+ }
+
+ if ((complete_release & (CR_LAST_OK | CR_ALL_NEW))
+ && !(complete_release & CR_FORCED)) {
+ if (notreleased && notreleased != sites) {
/* we have some new unreleased sites. try to just release to those,
- * if the RW has not changed */
+ * if the RW has not changed. The caller can override with -force. */
justnewsites = 1;
}
}
/* Determine which volume id to use and see if it exists */
- cloneVolId =
- ((fullrelease
- || (entry.cloneId == 0)) ? entry.volumeId[ROVOL] : entry.cloneId);
+ cloneVolId = (complete_release || entry.cloneId == 0)
+ ? entry.volumeId[ROVOL] : entry.cloneId;
+
code = VolumeExists(afromserver, afrompart, cloneVolId);
roexists = ((code == ENODEV) ? 0 : 1);
ONERROR(-1, afromserver,
"Cannot establish connection with server 0x%x\n");
- if (!fullrelease) {
- if (!roexists)
- fullrelease = 1; /* Do a full release if RO clone does not exist */
- else {
+ if (!complete_release) {
+ if (!roexists) {
+ complete_release |= CR_RO_MISSING; /* Do a complete release if RO clone does not exist */
+ } else {
/* Begin transaction on RW and mark it busy while we query it */
code = AFSVolTransCreate_retry(
fromconn, afromvol, afrompart, ITBusy, &fromtid
"Failed to end transaction on RW clone %u\n");
if (rwcrdate > clcrdate)
- fullrelease = 2;/* Do a full release if RO clone older than RW */
+ complete_release |= CR_NEW_RW; /* Do a complete release if RO clone older than RW */
}
}
- if (fullrelease != 1) {
+ if (!complete_release || (complete_release & CR_NEW_RW)) {
/* in case the RW has changed, and just to be safe */
justnewsites = 0;
}
if (verbose) {
- switch (fullrelease) {
- case 2:
- fprintf(STDOUT, "RW %lu changed, doing a complete release\n",
- (unsigned long)afromvol);
- break;
- case 1:
- fprintf(STDOUT, "This is a complete release of volume %lu\n",
- (unsigned long)afromvol);
- if (justnewsites) {
- tried_justnewsites = 1;
- fprintf(STDOUT, "There are new RO sites; we will try to "
- "only release to new sites\n");
+ if (!complete_release) {
+ fprintf(STDOUT,
+ "This is a recovery of previously failed release\n");
+ } else {
+ fprintf(STDOUT, "This is a complete release of volume %u", afromvol);
+ /* Give the reasons for a complete release, except if only CR_LAST_OK. */
+ if (complete_release != CR_LAST_OK) {
+ char *sep = " (";
+ if (complete_release & CR_FORCED) {
+ fprintf(STDOUT, "%sforced", sep);
+ sep = ", ";
}
- break;
- case 0:
- fprintf(STDOUT, "This is a completion of a previous release\n");
- break;
+ if (complete_release & CR_LAST_OK) {
+ fprintf(STDOUT, "%slast ok", sep);
+ sep = ", ";
+ }
+ if (complete_release & CR_ALL_NEW) {
+ fprintf(STDOUT, "%sall sites are new", sep);
+ sep = ", ";
+ }
+ if (complete_release & CR_NEW_RW) {
+ fprintf(STDOUT, "%srw %u changed", sep, afromvol);
+ sep = ", ";
+ }
+ if (complete_release & CR_RO_MISSING) {
+ fprintf(STDOUT, "%sro clone missing", sep);
+ }
+ fprintf(STDOUT, ")");
+ }
+ fprintf(STDOUT, "\n");
+ if (justnewsites) {
+ tried_justnewsites = 1;
+ fprintf(STDOUT, "There are new RO sites; we will try to "
+ "only release to new sites\n");
+ }
}
}
- if (fullrelease) {
+ if (complete_release) {
afs_int32 oldest = 0;
/* If the RO clone exists, then if the clone is a temporary
* clone, delete it. Or if the RO clone is marked RO_DONTUSE
* anything with the RO clone, so skip the reclone */
/* noop */
- } else if (fullrelease) {
+ } else if (complete_release) {
if (roclone) {
strcpy(vname, entry.name);
if (justnewsites) {
VPRINT("RW vol has not changed; only releasing to new RO sites\n");
/* act like this is a completion of a previous release */
- fullrelease = 0;
+ complete_release = CR_RECOVER;
} else if (tried_justnewsites) {
VPRINT("RW vol has changed; releasing to all sites\n");
}
memset(&orig_status, 0, sizeof(orig_status));
code = AFSVolGetStatus(fromconn, fromtid, &orig_status);
}
- if (!fullrelease && code)
+ if (!complete_release && code)
ONERROR(VOLSERNOVOL, afromvol,
"Old clone is inaccessible. Try vos release -f %u.\n");
ONERROR0(code, "Failed to create transaction on the release clone\n");
VDONE;
/* if we have a clone, treat this as done, for now */
- if (stayUp && !fullrelease) {
+ if (stayUp && !complete_release) {
entry.serverFlags[roindex] |= NEW_REPSITE;
entry.serverFlags[roindex] &= ~RO_DONTUSE;
entry.flags |= RO_EXISTS;
continue;
/* Thisdate is the date from which we want to pick up all changes */
- if (forceflag || !fullrelease
- || (rwcrdate > times[volcount].crtime)) {
- /* If the forceflag is set, then we want to do a full dump.
- * If it's not a full release, we can't be sure that the creation
- * date is good (so we also do a full dump).
- * If the RW volume was replaced (its creation date is newer than
- * the last release), then we can't be sure what has changed (so
- * we do a full dump).
+ if (forceflag) {
+ /* Do a full dump when forced by the caller. */
+ VPRINT("This will be a full dump: forced\n");
+ thisdate = 0;
+ } else if (!complete_release) {
+ /* If this release is a recovery of a failed release, we can't be
+ * sure the creation date is good, so do a full dump.
*/
+ VPRINT("This will be a full dump: previous release failed\n");
+ thisdate = 0;
+ } else if (times[volcount].crtime == 0) {
+ /* A full dump is needed for a new read-only volume. */
+ VPRINT
+ ("This will be a full dump: read-only volume needs to be created\n");
+ thisdate = 0;
+ } else if ((rwcrdate > times[volcount].crtime)) {
+ /* If the RW volume was replaced (its creation date is newer than
+ * the last release), then we can't be sure what has changed (so
+ * we do a full dump).
+ */
+ VPRINT
+ ("This will be a full dump: read-write volume was replaced\n");
thisdate = 0;
} else if (remembertime[vldbindex].validtime) {
/* Trans was prev ended. Use the time from the prev trans
}
if (fromdate == 0)
- fprintf(STDOUT, " (full release)");
+ fprintf(STDOUT, " (entire volume)");
else {
tmv = fromdate;
fprintf(STDOUT, " (as of %.24s)", ctime(&tmv));
char tovolreal[VOLSER_OLDMAXVOLNAME];
afs_uint32 pvolid;
afs_int32 temptid, pparentid;
- int success;
struct nvldbentry entry, storeEntry;
afs_int32 error;
int islocked;
memset(&cookie, 0, sizeof(cookie));
islocked = 0;
- success = 0;
error = 0;
reuseID = 1;
tocall = (struct rx_call *)0;
- toconn = (struct rx_connection *)0;
tempconn = (struct rx_connection *)0;
totid = 0;
temptid = 0;
goto refail;
}
- success = 1;
fprintf(STDOUT, " done\n");
fflush(STDOUT);
- if (success && (!reuseID || (flags & RV_FULLRST))) {
+ if (!reuseID || (flags & RV_FULLRST)) {
/* Volume was restored on the file server, update the
* VLDB to reflect the change.
*/
afs_int32 code = 0;
afs_int32 success = 1;
- aconn = (struct rx_connection *)0;
aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
curPos = 0;
for (curPtr = volPtr; curPos < arraySize; curPtr++) {
afs_uint32 curCloneId = 0;
char cloneName[256]; /*max vol name */
- aconn = (struct rx_connection *)0;
aconn = UV_Bind(aserver, AFSCONF_VOLUMEPORT);
curPos = 0;
if ((volPtr->volFlags & REUSECLONEID) && (volPtr->volFlags & ENTRYVALID))
* We set the val field to a null pointer as a hint for the stub to
* allocate space.
*/
- code = 0;
*a_numEntsInResultP = 0;
*a_resultPP = (volintXInfo *) 0;
volumeXInfo.volXEntries_val = (volintXInfo *) 0;
afs_int32 code = 0;
volEntries volumeInfo;
- code = 0;
-
*resultPtr = (volintInfo *) 0;
volumeInfo.volEntries_val = (volintInfo *) 0; /*this hints the stub to allocate space */
volumeInfo.volEntries_len = 0;
* the info. Setting the val field to a null pointer tells the stub
* to allocate space for us.
*/
- code = 0;
*a_resultPP = (volintXInfo *) 0;
volumeXInfo.volXEntries_val = (volintXInfo *) 0;
volumeXInfo.volXEntries_len = 0;
if (code) {
if (code != VL_NOENT) {
fprintf(STDOUT,
- "Could not retreive the VLDB entry for volume %lu \n",
+ "Could not retrieve the VLDB entry for volume %lu \n",
(unsigned long)rwvolid);
ERROR_EXIT(code);
}
aconn = UV_Bind(server, AFSCONF_VOLUMEPORT);
error = DoVolDelete(aconn, volid, part,
"the", 0, NULL, NULL);
+ if (error == VNOVOL) {
+ EPRINT1(error, "Failed to start transaction on %u\n", volid);
+ }
PrintError("", error);
if (aconn)
git://git.openafs.org / openafs.git / blobdiff