TBA * bug fixes - Fully reactivate OST imports after reconnection (512, others) - Make sure client sees our -ENOTCONN from mds_handle (513 - partial) - More graceful error handling for truncating on dead OST (515) - Don't error out unless we're actually accessing dead stripes (474) - Fix garbage sizes when stripes are missing (410) - LRU counters were broken, causing constant lock purge (433, 432) - garbage on read from stripes with failed OSTs (441) - mark OSCs as active before reconnecting during recovery (438) - lov_enqueue and lov_cancel need to handle inactive OSTs (403) - lfind did not preserve OST order in output (443) - symlinks cause hung clients, incorrect data (439) - stop dereferencing request after dropping refcount (457) - don't LASSERT(spin_is_locked) on non-SMP (455) - fixes for many rename() bugs - fstat didn't correctly synchronize attributes (399) - server must handle lock cancellation during blocking AST prep (487) - bulk descriptors were free()d too soon (511) - fix paths in lconf, which would load incorrect modules (451, 507) - fix confusing lconf 'host not found' error message (386) - fix lock order deadlock on OST (O/R i_sem before journal ops, 478) 2002-12-02 Andreas Dilger * version v0_5_18 * bug fixes - fix many simultaneous client startup (392) - fix dentry->d_it clobbering - credentials weren't being shipped for readdir/getattr operations - remove invalid assertions triggered during some concurrent MD updates - proper Lustre versions added (336, 389) - fix memory leak for create error case (398) - fix LOV locking bug that would get cli/srv out of sync - fix echo client over LOV (409) - fix dbench 2, extN refcount problem (170, 258, 356, 418) - fix double-O_EXCL intent crash (424) - avoid sending multiple lock CANCELs (352) * Features - MDS can do multi-client recovery (modulo bugs in new code) * Documentation - many updates, edits, cleanups 2002-11-18 Phil Schwan * version v0_5_17 * bug fixes - fix null d_it dereference (346) - fix full OST/dbench hang (333) - fix permission problem with file removal (286) - fix removal of OSCs from LOV when they fail - fix NULL deref during bulk timeout (214) - fix problems related to multiple filesystems on one MDS (241) - fixed serious subtle metadata locking bugs - free locks on clients when inodes are removed due to memory pressure (201) - fix inode pointer in lock data (285) - partial support for multiple MDS on a single host (241) - data locks weren't cancelled at clear_inode time (290, 311) - intent locks could lead to unbounded lock growth (205) - added a maximum lock count, an LRU list, and a flusher - fix multiple rename (365) - properly abstracted the echo client - OSC locked 1 byte too many; fixed - rewrote brw callback code: - fixed recovery bugs related to LOVs (306) - fixed too-many-pages-in-one-write crash (191) - fixed (again) crash in sync_io_timeout (214) - probably fixed callback-related race (385) * protocol change - Add capability to MDS protocol - LDLM cancellations and callbacks on different portals 2002-10-28 Andreas Dilger * version v0_5_16 * bug fixes: - limit client IOV size to PTL_MD_MAX_IOV (611336, 191) - defer open object destruction to close time (601981, 138) - open/close OST file handle in obdo (OBD_MD_FLHANDLE) (601981, 138) - move LDLM_ENQUEUE/CONVERT back to MDS portal (625069) - abstract ll_lookup2, fix ll_revalidate2 to use abstraction (256) - don't call obd_setattr in ll_file_release for destroyed objects * protocol change to lustre_msg: move |version| and add |flags| * protocol change to osc_punch: "start" in "o_size", "end" in "o_blocks" * lock replay: for LDLM_FL_REPLAY trust client to do right thing * added replay of create, unlink, link and rename operations during MDS failover; recovery should be much more robust now * remove failed OSCs from LOVs (only lov_create uses this so far) * the lustre-HOWTO was brought (more) up to date (582544) 2002-10-23 Phil Schwan * version v0_5_15 * bug fixes: - in-use dentries weren't being reused properly (617851) - prevent multiple LDLM setup (599178) - fix LOV size calculations for truncate (617853) - fix client handling of MDS intent errors (POSIX) - fix permission bug in lovstripe.c test (624321) - fix MDS thread deadlock - move LDLM handler to DLM portal (625069) - truncate past end of file could corrupt data - proper cleanup after timeouts, crashes, etc (592524, 550815) - a race in recovery could return ETIMEDOUT to apps (623947) - building outside the source directory was fixed * the lustre-HOWTO was brought (more) up to date (582544) * major progress was made on recovery functionality 2002-10-10 Phil Schwan * version v0_5_14 * bug fixes: - recovery deadlock fix - rm -rf causes LBUG fix (617817) - file open by multiple tasks fix (618962) - directory permissions bugs (602707 and 620007) - journal_stop fixed with locking (611313) - O_APPEND failures resolved (618273, perhaps 614459) - lconf PATH fix (619770) - IA64 build fix (621450) - RPC buffer sizes scale with amount of memory 2002-10-01 Phil Schwan * version v0_5_13 * bug fixes: - locks would be cancelled without throwing away data pages, resulting in inconsistent data (605627) - inode attributes were not always being refreshed (605627, 612449) - lconf now continues to cleanup after lctl reports an error - MDS now enforces user permissions (602707) - lprocfs cleanup fixed, but not yet enabled (614157) - fixed infinite server hang, should a client not respond to an AST - avoid going into recovery if user calls readlink() with a buffer that's too small (613941) - AST RPCs no longer require replies (614867) -- this may be changed - don't crash server if client sends an IOV that's too big (611336) - fixed lock conversion deadlock (611892) - fixed the following of symlinks (614622) * recovery: the server can remove locks from a client that dies, other clients can make progress * more extN patch fixes * compile-time configurable ptlrpc buffer allocations * documentation - collaborative read cache document - Lustre Lite Performance CDR document-in-progress 2002-09-20 Andreas Dilger * version v0_5_12 * bug fix - fix typo in patch-2.4.18 2002-09-20 Andreas Dilger * version v0_5_11 * bug fixes - clear ptlrpc request each time in handle_incoming_request() - unlink of files now destroys the object on the OST 2002-09-19 Peter Braam * version 0_5_10 * add hard link support * change obdfile creation method * kernel patch changed 2002-09-19 Peter Braam * version 0_5_9 * bug fix - stack overflow bug in extN fixed 2002-09-18 Andreas Dilger * version 0_5_8 * documentation updates - add man pages for config tools - update tests/README to describe testing with new config tools - finish metadata API descriptions * bug fixes and cleanups - statfs workaround for 16TB limit - LOV stripe allocation improved, can stripe on subset of OSTs - LOV file size/IO offset was wrong for files > 4GB in size - object EA data was being dropped, caused files to be unreadable - memory overflow with non-LOV OST caused memory corruption - fixed regression tests to work with new config tools, obdfilter - fixed bug when directory size became larger than 1 block - fixed bug (for single client case) when PWD was deleted - invalidate local directory pages when doing intent-based ops - avoid LDLM oops when lock callback contained bad data 2002-09-09 Andreas Dilger * version 0_5_7 * documentation updates * bug fixes and cleanups - configuration tools - LOV - imports/exports - 64-bit compile warnings - 64-bit internal statfs data - many more * test_brw on persistent OST devices * MDS recovery * lprocfs (disabled) 2002-09-04 Andreas Dilger * version 0_5_6 * documentation updates * bug fixes and cleanups * configuration tools 2002-08-30 Peter J. Braam * version v0_5_5 * many small fixes to 0_5_4 * io/network handling * thinkos in MDS operations 2002-08-24 Peter J. Braam * version v0_5_4 * crucial basic fixes to 0.5.3 * IOR, Iozone work over Elan * EOF locks added 2002-08-07 Phil Schwan * version 0_5_3, our first alpha * we use the new Portals iovs * documentation updates * bug fixes and cleanups * small changes in the DLM wire protocol 2002-07-25 Peter J. Braam * version 0_5_1 with some initial stability, * locking on MD and file I/O. * documentation updates * several bug fixes since 0.5.0 * small changes in wire protocol 2002-07-18 Phil Schwan * version v0_4_5 * delivered as Lustre Light Alpha * fixed a crash after handling invalid MDS requests * fixed directory pages for architectures with non-4k pages sizes 2002-07-11 Andreas Dilger * release version v0_4_4 * Moves TCP acceptor to be on port 2432 (unused Coda port) instead of 1234. * Fixes a number of interruption problems with OST operations. * Update documentation for portals header changes * Move all wire protocol structs/defines to lustre_idl.h * Fixes symlink length bug. * Add tcpdump to repository. 2002-07-05 Andreas Dilger * release version v0_4_3 * Fixes statfs for inodes on extN. * Fixes bug in runtests which would delete /etc/hosts. * Use 64-bit object IDs wherever possible (not into VFS though) Remove ost_get_info, which is unused by lustre, and out of date. 2002-07-03 Peter Braam * release version v0_4_2 Fixes a lookup error (type not passed) * move forward to head of Portals * move forward to latest Lustre kernel 2002-06-25 Peter Braam * release version v0_4_1. Hopefully stable on single node use.