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5b977ec077
freebsd-skq/sys/geom
History
mav ec5f778a89 Major GEOM MULTIPATH class rewrite: 
- Improved locking and destruction process to fix crashes.
 - Improved "automatic" configuration method to make it consistent and safe
by reading metadata back from all specified paths after writing to one.
 - Added provider size check to reduce chance of ordering conflict with
other GEOM classes.
 - Added "manual" configuration method without using on-disk metadata.
 - Added "add" and "remove" commands to allow manage paths manually.
 - Failed paths are no longer dropped from geom, but only marked as FAIL
and excluded from I/O operations.
 - Automatically restore failed paths when all others paths are marked
as failed, for example, because of device-caused (not transport) errors.
 - Added "fail" and "restore" commands to manually control FAIL flag.
 - geom is now destroyed on last path disconnection.
 - Added optional Active/Active mode support. Unlike Active/Passive
mode, load evenly distributed between all working paths. If supported by
the device, it allows to significantly improve performance, utilizing
bandwidth of all paths. It is controlled by -A option during creation.
Disabled by default now.
 - Improved `status` and `list` commands output.

Sponsored by:	iXsystems, inc.
MFC after:	1 month
2011-11-12 09:52:27 +00:00
..
bde Add some FEATURE macros for various GEOM classes. 2011-02-25 10:24:35 +00:00
cache Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
concat Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
eli Before this change when GELI detected hardware crypto acceleration it will 2011-10-27 16:12:25 +00:00
gate Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
journal Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
label Include sys/sbuf.h directly. 2011-07-11 05:22:31 +00:00
linux_lvm Add some FEATURE macros for various GEOM classes. 2011-02-25 10:24:35 +00:00
mirror Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
mountver Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
multipath Major GEOM MULTIPATH class rewrite: 2011-11-12 09:52:27 +00:00
nop Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
part Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
raid Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
raid3 Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
sched Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
shsec Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
stripe Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
uzip Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 2011-11-07 06:44:47 +00:00
vinum Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
virstor Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
zero Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
geom_aes.c
geom_bsd_enc.c Decode as many or as few partition entries as the label claims there 2007-12-09 22:44:22 +00:00
geom_bsd.c Include sys/sbuf.h directly. 2011-07-11 05:22:31 +00:00
geom_ccd.c Include sys/sbuf.h directly. 2011-07-11 05:22:31 +00:00
geom_ctl.c Finish r210923, 210926. Mark some devices as eternal. 2011-01-04 10:59:38 +00:00
geom_ctl.h
geom_dev.c Make orphan() method in geom_dev asynchronous using destroy_dev_sched_cb() 2011-11-01 23:12:22 +00:00
geom_disk.c Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs. 2011-11-07 15:43:11 +00:00
geom_disk.h Plumb device physical path reporting from CAM devices, through GEOM and 2011-06-14 17:10:32 +00:00
geom_dump.c Do not hide stripeoffset from libgeom(3), it may be useful even when 2011-06-02 12:49:45 +00:00
geom_event.c Workaround the problem introduced by combination of r162200 and r215687. 2011-11-01 08:57:49 +00:00
geom_fox.c Add some FEATURE macros for various GEOM classes. 2011-02-25 10:24:35 +00:00
geom_int.h
geom_io.c Correct bioq_disksort so that bioq_insert_tail() offers barrier semantic. 2010-09-02 19:40:28 +00:00
geom_kern.c Move the three geom kprocs as threads under a single pid. 2011-05-11 21:47:30 +00:00
geom_map.c MFC 2011-05-06 22:45:33 +00:00
geom_mbr_enc.c
geom_mbr.c Add some FEATURE macros for various GEOM classes. 2011-02-25 10:24:35 +00:00
geom_pc98_enc.c
geom_pc98.c Include sys/sbuf.h directly. 2011-07-11 05:22:31 +00:00
geom_redboot.c - Give geom_redboot taste of flash/spi. Now there is another provider 2010-02-03 01:12:19 +00:00
geom_slice.c Change the way in which zero stripesize is handled. Instead of reporting 2010-01-06 13:14:37 +00:00
geom_slice.h
geom_subr.c Plumb device physical path reporting from CAM devices, through GEOM and 2011-06-14 17:10:32 +00:00
geom_sunlabel_enc.c
geom_sunlabel.c Include sys/sbuf.h directly. 2011-07-11 05:22:31 +00:00
geom_vfs.c Add mutex and two flags to make orphan() call properly asynchronous: 2011-11-02 09:24:59 +00:00
geom_vfs.h Remove the struct thread unuseful argument from bufobj interface. 2008-10-10 21:23:50 +00:00
geom_vol_ffs.c Add some FEATURE macros for various GEOM classes. 2011-02-25 10:24:35 +00:00
geom.h Add some spare fields to the g_class and g_geom structures needed to implement 2011-07-17 20:35:30 +00:00
notes