Release Notes

Dell EMC Storage enclosure rules
This section provides information about the rules to be followed for the Dell EMC Storage enclosures.
Table 1. Dell EMC Storage enclosure rules
Components Dell EMC Storage MD1280
Maximum number of servers:
• 1 Windows server
• 1 Linux server
Maximum SAS cable length 4 m
Maximum number of I/O cards per server 2
Maximum supported JBODs per I/O Card 2
Minimum drive count 28
Maximum supported SSD count 28
Recommended Linux Multipath Policy. (On Linux systems, Device Mapper Multipath is required
with multipath congurations.)
Failover
Recommended Windows failover policy. (On Windows systems MPIO is required with multipath
congurations.)
Failover-only
After point of sale
This section provides rule details when adding drives to Dell EMC Storage enclosures after purchase.
You can add drives ordered after point of sale as customer kits in increments of 14.
The rules are as follows:
• Each row with drives installed must be lled entirely (14 drives).
• Top and Bottom drawers must have rows lled evenly, within a count of 1.
– Top Drawer with 1 row lled and bottom drawer with 1 row lled (minimum conguration).
– Top Drawer with 2 rows lled and bottom drawer with 1 row lled.
– Top Drawer with 2 rows lled and bottom drawer with 2 rows lled.
• All spinning drives in the same row must have the same rotational speed.
• An individual row can have spinning drives with a dierent rotational speed than another row.
• Spinning drives and SSDs can be mixed within a row.
• Drive capacities can be mixed within a row of 14 drives for both spinning drives and SSDs.
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Dell EMC Storage enclosure rules 5