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TODO

Blame
    • TODO 4.34 KiB 
    TODO list for smartmontools:

$Id: TODO,v 1.64 2007/09/03 19:36:58 chrfranke Exp $

SATA devices under Linux
------------------------
These work OK if you use the standard IDe drivers in drivers/ide.

The situation is more complicated if you use libata.

Prior to Linux kernel version 2.6.15-rc1, libata does not support the
HDIO_DRIVE_TASK, HDIO_DRIVE_CMD, and HDIO_DRIVE_TASKFILE ioctl()s that
are needed by smartmontools.  Support for HDIO_DRIVE_TASK and
HDIO_DRIVE_CMD was added into libata by Jeff Garzik starting with
Linux kernel version 2.6.15-rc1.  Starting with this version, you can
use all the smartmontools commands apart from initiating selective
self-tests (which also requires HDIO_DRIVE_TASKFILE).  A typical
command line might look like this:
  smartctl -a -d ata /dev/sda
The '-d ata' is required, since otherwise smartmontools will assume
that the device is SCSI, not ATA/SATA.  Similar syntax will work with
smartd.

You may be able to patch earlier versions of libata. Please search the
Linux Kernel Mailing list to find this patch, or look at the thread:
http://groups.google.de/groups?hl=en&lr=&ie=UTF-8&threadm=2yYBY-4HB-55%40gated-at.bofh.it&rnum=3&prev=/groups%3Fq%3Dsmartmontools%26hl%3Den%26lr%3D%26ie%3DUTF-8%26scoring%3Dd%26selm%3D2yYBY-4HB-55%2540gated-at.bofh.it%26rnum%3D3
To use this, just use (for example) 'smartctl -a -d ata /dev/sda'.

Since this looks like this patch will become standard, we need to add something
to smartmontools to automatically recognize the libata, and add the '-d ata'
automatically.

USB devices under Linux
-----------------------
Some USB devices can hang smartctl or smartd.  This is because these
devices fail to comply with SCSI specifications for their packet
command sets.  Work on improving the detection and bail-out procedures
for these flawed devices, so that the user sees an informative error
message and smartd/smartctl don't hang.

ATA-4 (no kidding!)
-------------------
smartctl: add another -t TESTTYPE option to accomodate old-style ATA-4
IBM disks (ATA-4 has no self-test commands). See IBM S25L-2426-02 OEM
HARD DISK DRIVE SPECIFICATIONS for DBCA-203240/204860/206480 2.5-Inch
Hard Disk Drive with ATA Interface Revision (1.0)
http://www.hgst.com/tech/techlib.nsf/techdocs/85256AB8006A31E587256A7D00642A1D/$file/dbca_sp.pdf
section 12.30.1.5 for details.  These disks offer no self-test option,
and the -t offline command only tests a small part of the disk (a
'segment').  We need a -t multioffline that:
 (1) issues auto offline immediate command (tests ONE segment)
 (2) waits until estimated completion time
 (3) tests if off-line data collection status is set to 0x02 (all
     segments completed)
 (4) if not, return to (1)

ATA-6/7
-------
Support extended error logs
Support extended self-test logs

smartctl/smartd
---------------
Add additional -v options (corresponding to comments in
atacmds.c:ataPrintSmartAttribName().

Add interface to Megaraid ATA RAID controllers (Erik)

smartctl: 
---------
    Add command line option to issue SMART SAVE ATTRIBUTE VALUES command
Feature Register value ATA_SMART_SAVE 0xd3

Perhaps modify the -q option (quiet mode) so that it only warns of ATA
errors if they have (say) taken place in the last 168 hours (week).

Parse and print additional Attribute flag meanings (IBM ones, eg
performance etc).  These are now documented in atacmds.h -- we just
need to modify the format of the Attribute table.

Modify the SMART self-test log table printing so that we ALSO print
the value of the self-test failure checkpoint byte, if it's one of the
recognized values.  See routine SelfTestFailureCodeName and
documentation in atacmds.h.

smartd:
-------
Perhaps change <nomailer> special argument to -m to have also
<nomailer_fork> which would actually work with -M exec to run the
executable/script in the background rather than in the foreground.
But let's wait for someone to request this. At that point we should
probably use fork/exec rather than system().

Add ability to monitor "worst" value from attributes (sometimes it
gets larger!) and to monitor the threshold value (sometimes it
changes!).

Add command line option that scans devices then WRITES
/etc/smartd.conf, perhaps as /etc/smartd.conf.output, just for devices
that can be monitored.

Packaging
---------
Under freebsd and solaris, the following are wrong:
smartd.conf: has linux device paths
smart*.in  : man pages have (mostly) linux device paths

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