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Dell Disk Library for Mainframe (DLm) — End-of-Life & EOSL Dates

Dell Disk Library for Mainframe (DLm) — data protection. End-of-sale (Dell EOL) and end-of-standard-support (EOSS) dates from Dell’s published End-of-Life list (Dell KB 000185734).

Is the Dell Disk Library for Mainframe (DLm) end of life?

Mixed — varies by part number
7/100
Little or no runway
Support Runway Score (worst-case SKU group)

Dell Disk Library for Mainframe (DLm) has mixed lifecycle status — some SKU groups are already past Dell end of service while others run until Dec 2030. Confirm the exact part number before any support or refresh decision. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.

Why this score
  • Past end of service life — 136 months ago
  • Vendor-published date, source-linked
  • Mixed status across SKU groups — some past EOSL, some still supported
  • Category: data protection

The score reflects support-lifecycle timing and source confidence only — higher means more support runway. It is not a risk, safety or compliance rating. How it’s calculated →

Action priority
By part number
21 of 25 tracked part numbers are past end of service; 4 remain supported (latest to Dec 2030). Confirm the exact SKU below.
EOSL range
Apr 2015 – Dec 2030
Status split
21 past · 4 supported
dates vary by part number — confirm the exact SKU below
Part numbers
25
Confidence
Vendor-published date
Last verified
Jul 2026
Source
Check your part numbers in bulk → 📅 .ics

Disk Library for Mainframe (DLm) — support ends 2015-04

EOSL — PAST
136 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleApr 2010
End of standard supportApr 2015Dell bulletin ↗

2 SKUs in this group

Disk Library for Mainframe (DLm) — support ends 2016-12

EOSL — PAST
116 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleDec 2011
End of standard supportDec 2016Dell bulletin ↗

1 SKU in this group

Disk Library for Mainframe (DLm) — support ends 2017-02

EOSL — PAST
114 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleFeb 2012
End of standard supportFeb 2017Dell bulletin ↗

1 SKU in this group

Disk Library for Mainframe (DLm) — support ends 2019-01

EOSL — PAST
91 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleJan 2014
End of standard supportJan 2019Dell bulletin ↗

2 SKUs in this group

Disk Library for Mainframe (DLm) — support ends 2019-03

EOSL — PAST
89 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleMar 2014
End of standard supportMar 2019Dell bulletin ↗

1 SKU in this group

Disk Library for Mainframe (DLm) — support ends 2019-05

EOSL — PAST
87 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleMay 2014
End of standard supportMay 2019Dell bulletin ↗

1 SKU in this group

Disk Library for Mainframe (DLm) — support ends 2023-09

EOSL — PAST
35 mo
past end of service
now
availableend of saleservice
AvailableMar 2008
End of saleSep 2018
End of standard supportSep 2023Dell bulletin ↗

13 SKUs in this group

Disk Library for Mainframe (DLm) — support ends 2030-01

SUPPORTED
41 mo
of runway left
now
availableend of saleservice
AvailableMar 2008
End of saleJan 2025
End of standard supportJan 2030Dell bulletin ↗

2 SKUs in this group

Disk Library for Mainframe (DLm) — support ends 2030-12

SUPPORTED
52 mo
of runway left
now
availableend of saleservice
AvailableMar 2008
End of saleNot published
End of standard supportDec 2030Dell bulletin ↗

2 SKUs in this group

Options from here

Mixed — varies by part number

21 Dell Disk Library for Mainframe (DLm) part numbers are past Dell end of service while 4 remain supported (to Dec 2030). For the past-EOSL units, these are the usual paths:

Third-party maintenance

Keep it in production past the OEM cutoff with an independent maintainer.

Pre-stock spares

Buy spares now, while units still circulate on the secondary market.

Plan replacement

It is unsupported today — set a migration timeline and budget.

Run to failure

Low-criticality role — document the risk, harden backups, retire on your terms.

Check your exact part numbers → Weigh your support options →

Independent and informational — EOSL.ai sells no hardware or maintenance and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the asset's role.

Dell Disk Library for Mainframe (DLm) — questions

Is the Dell Disk Library for Mainframe (DLm) end of life?

Partly — some Disk Library for Mainframe (DLm) SKU groups are past end of service life while others are still supported. See the dates by SKU group below.

What is the last date of support for the Disk Library for Mainframe (DLm)?

Last dates of support across Disk Library for Mainframe (DLm) SKU groups range from Apr 2015 to Dec 2030.

Where do these Disk Library for Mainframe (DLm) dates come from?

Every end-of-sale and end-of-service-life date on this page links to the official Dell End-of-Life list it was taken from.

On the same timetable

Related Everything reaching EOSL in 2015 (34)Everything reaching EOSL in 2016 (68)Everything reaching EOSL in 2017 (74)Everything reaching EOSL in 2019 (157)Everything reaching EOSL in 2023 (134)Everything reaching EOSL in 2030 (77)Dell already unsupported (73)
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Dell Disk Library for Mainframe (DLm) EOL / EOSL status
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