RAID - Post creation tests

Run long S.M.A.R.T tests after the initial RAID sync of many hours

smartctl -t long /dev/sd[bcde]

smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-59-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%       214         -
# 2  Short offline       Completed without error       00%         1         -


smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-59-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%       214         -
# 2  Short offline       Completed without error       00%         1         -


smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-59-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%       214         -
# 2  Short offline       Completed without error       00%         1         -


smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-59-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%        85         -
# 2  Extended offline    Aborted by host               90%        67         -
# 3  Short offline       Completed without error       00%        67         -
# 4  Short offline       Completed without error       00%         0         -

Quick write speed test of this array with it's very small 4kB chunk size;

dd if=/dev/zero of=/dev/md0 bs=1G count=2 oflag=direct
2+0 records in
2+0 records out
2147483648 bytes (2.1 GB) copied, 7.57868 s, 283 MB/s

Read-only test

Read-write test