EMC AX100 Release Notes - Page 26

Technical notes, AX100SC, and AX100i notes

Page 26 highlights

Technical notes Technical notes This section contains information that will help with the installation, use, and management of the storage system. It provides generic information that applies to all platforms as well as platform-specific information. AX100SC, AX100SCi, AX100, and AX100i notes SP startup For a dual-SP storage system (AX100 or AX100i), EMC recommends that you reboot an SP only during periods of low I/O activity. For a single-SP storage system (AX100SC or AX100SCi), stop all I/O to the storage system. Returning a storage system to an uninitialized state Use the following procedure to ensure that your storage system is correctly reset to an uninitialized state: 1. Power down the storage system. 2. Wait one minute after the storage system is fully powered down. 3. Press and hold the power button until the green LED has been on for one second. Once the storage system is in an uninitialized state, you can use the storage system initialization utility to change the IP address for each SP, the username, and the password. Event log entries appear out of order FLARE OE software may not always enter items into the event log in the order in which they occurred. This happens only when several events occur at approximately the same time. The time stamps are correct. Hot spare ownership Once a hot spare is assigned to a degraded virtual disk, that virtual disk owns it until either the virtual disk is repaired and the equalize operation completes or the virtual disk is destroyed. If the virtual disk is accidentally double-faulted because you removed the wrong disk module during repair, then re-inserting the incorrectly removed disk module should cause the virtual disk to return to its original state (including continued operation with the hot spare engaged). 26 EMC AX100-Series Integrated Management Software Release Notes

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Technical notes
EMC AX100-Series Integrated Management Software Release Notes
Technical notes
This section contains information that will help with the installation, use,
and management of the storage system. It provides generic information
that applies to all platforms as well as platform-specific information.
AX100SC, AX100SCi, AX100, and AX100i notes
SP startup
For a dual-SP storage system (AX100 or AX100i), EMC recommends that
you reboot an SP only during periods of low I/O activity. For a single-SP
storage system (AX100SC or AX100SCi), stop all I/O to the storage
system.
Returning a storage system to an uninitialized state
Use the following procedure to ensure that your storage system is
correctly reset to an uninitialized state:
1.
Power down the storage system.
2.
Wait one minute after the storage system is fully powered down.
3.
Press and hold the power button until the green LED has been on for
one second.
Once the storage system is in an uninitialized state, you can use the
storage system initialization utility to change the IP address for each SP,
the username, and the password.
Event log entries appear out of order
FLARE OE software may not always enter items into the event log in the
order in which they occurred. This happens only when several events
occur at approximately the same time. The time stamps are correct.
Hot spare ownership
Once a hot spare is assigned to a degraded virtual disk, that virtual disk
owns it until either the virtual disk is repaired and the equalize
operation completes or the virtual disk is destroyed. If the virtual disk is
accidentally double-faulted because you removed the wrong disk
module during repair, then re-inserting the incorrectly removed disk
module should cause the virtual disk to return to its original state
(including continued operation with the hot spare engaged).