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How do I replace a hard drive with a larger capacity in an HA cluster?

Hvordan udskifter jeg en harddisk med større kapacitet i en HA Klynge?

Last modified date: 2025-07-03

Applicable Products

QuTS hero h5.3.0 or later
High Availability Manager
Storage Manager

Scenario

You have deployed a high-availability (HA) cluster with shared storage, and a current storage pool is running low on capacity. The system may have issued a warning about low storage space.

To accommodate growing data or performance requirements, you need to expand the storage pool. Since your system is in an HA environment, any modification to shared storage must be handled carefully to avoid service interruption or triggering failover.

Solution

You can replace disks one by one. Follow these steps:

Important

Replacing disks one by one temporarily removes RAID redundancy protection. Please proceed with caution.

Identify the RAID group in the storage pool you want to expand.
1. Go to Storage Manager > Storage Space.
2. Identify the storage pool to expand.
3. Under Action, click > Manage, and then go to the RAID tab.
  Storage Manager displays the RAID groups in the storage pool, and the disks used by each RAID group.
Verify that the RAID group's RAID type is RAID 1, 5, or 6.
Note
Only these RAID types currently support expansion by replacing disks one by one.
Disable all spare disks assigned to the RAID group.
1. Go to Storage Manager > Disks > Disk.
2. Identify the spare disk.
3. Under Action, click > Disable Spare.
Note down all disk slots used by the RAID group.
Tip
To check the disk slots used by the RAID group, go back to Storage Manager > Storage Space, identify the storage pool, click > Manage, and then go to the RAID tab.
On the passive node, replace the disks one at a time.
1. Replace an existing disk with a new disk that has a greater capacity.
  Important
  Do not replace more than one disk at a time.
2. Wait for the system to rebuild the RAID group and the storage pool.
  Tip
  You can monitor the rebuild process in Storage Manager or High Availability Manager.
3. Once the rebuild process is done, verify that both the disk's and pool's statuses are healthy.
  You can check the disk status in Storage Manager > Disks > Disk, and the pool status in Storage Manager > Storage Space.
4. Repeat the previous steps until all disks have been replaced.
On the active node, replace the disks one at a time.
Follow the same steps for replacing the disks on the passive node.
Important
Ensure the capacity of the disk in each disk slot on the active node matches that of the corresponding disk slot on the passive node.
After successfully replacing all disks in the RAID group on both nodes, check the storage pool capacity in Storage Manager.
Once the total capacity of the storage pool is updated, the expansion is complete.

Anvendelige Produkter

QuTS hero h5.3.0 or later
High Availability Manager
Storage Manager

Scenario

Du har implementeret en høj tilgængelighed (HA) Klynge med delt Lager, og en nuværende Lager pool er ved at løbe tør for kapacitet. Systemet kan have udsendt en advarsel om lav Lager plads.

For at imødekomme voksende data- eller ydelseskrav skal du udvide Lager poolen. Da dit system er i et HA-miljø, skal enhver ændring af delt Lager håndteres omhyggeligt for at undgå serviceafbrydelse eller udløsning af Failover.

Løsning

Du kan erstatte diske én efter én. Følg disse trin:

Vigtigt

Udskiftning af diske én efter én fjerner midlertidigt RAID-redundansbeskyttelse. Vær venligst forsigtig.

Identificer RAID-gruppen i Lager poolen, du vil udvide.
1. Gå til Lager Manager > Lager Plads.
2. Identificer Lager poolen, der skal udvides.
3. Under Handling, klik > Administrer, og gå derefter til RAID fanen.
  Lager Manager viser RAID-grupperne i Lager poolen og de diske, der bruges af hver RAID-gruppe.
Bekræft, at RAID-gruppens RAID-type er RAID 1, 5 eller 6.
Bemærk
Kun disse RAID-typer understøtter i øjeblikket udvidelse ved at erstatte diske én efter én.
Deaktiver alle reserve diske tildelt RAID-gruppen.
1. Gå til Lager Manager > Diske > Disk.
2. Identificer reservedisken.
3. Under Handling, klik > Deaktiver reserve.
Noter alle diskpladser, der bruges af RAID-gruppen.
Tip
For at kontrollere diskpladserne, der bruges af RAID-gruppen, gå tilbage til Lager Manager > Lager Plads, identificer Lager poolen, klik > Administrer, og gå derefter til RAID fanen.
På den passive node, udskift diskene én ad gangen.
1. Udskift en eksisterende disk med en ny disk, der har større kapacitet.
  Vigtigt
  Udskift ikke mere end én disk ad gangen.
2. Vent på, at systemet genopbygger RAID-gruppen og Lager poolen.
  Tip
  Du kan overvåge genopbygningsprocessen i Lager Manager eller High Availability Manager.
3. Når genopbygningsprocessen er færdig, verificer at både diskens og poolens status er sund.
  Du kan kontrollere diskstatus i Lager Manager > Diske > Disk, og poolstatus i Lager Manager > Lager Plads.
4. Gentag de tidligere trin, indtil alle diske er blevet udskiftet.
På den aktive node, udskift diskene én ad gangen.
Følg de samme trin for at udskifte diskene på den passive node.
Vigtigt
Sørg for, at kapaciteten af disken i hver diskplads på den aktive node matcher den tilsvarende diskplads på den passive node.
Efter at have udskiftet alle diske i RAID-gruppen på begge noder, kontroller Lager poolkapaciteten i Lager Manager.
Når den samlede kapacitet af Lager poolen er opdateret, er udvidelsen fuldført.

Yderligere læsning

Hvordan udvider jeg en Lager pool i en HA Klynge?

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