Managing a cache in a multi-node virtual tape controller
US-2015012700-A1 · Jan 8, 2015 · US
Methods for managing a cache in a multi-node virtual tape controller
US9037802B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9037802-B2 |
| Application number | US-201213483827-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 30, 2012 |
| Priority date | Jan 25, 2010 |
| Publication date | May 19, 2015 |
| Grant date | May 19, 2015 |
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Abstract
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According to one embodiment, a method for managing cache space in a virtual tape controller includes receiving data from at least one host using the virtual tape controller; storing data received from the at least one host to a cache using the virtual tape controller; sending a first alert to the at least one host when a cache free space size is less than a first threshold and entering into a warning state using the virtual tape controller; sending a second alert to the at least one host when the cache free space size is less than a second threshold and entering into a critical state using the virtual tape controller; and allowing previously mounted virtual drives to continue normal writing activity when in the critical state.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for managing cache space in a virtual tape controller, the method comprising: receiving data from at least one host using the virtual tape controller; storing data received from the at least one host to a cache using the virtual tape controller; sending a first alert to the at least one host when a cache free space size is less than a first threshold and entering into a warning state using the virtual tape controller; sending a second alert to…
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- G06F12/084Primary
Physics · mapped topic
- G06F12/0866Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US9037802B2 cover?
- According to one embodiment, a method for managing cache space in a virtual tape controller includes receiving data from at least one host using the virtual tape controller; storing data received from the at least one host to a cache using the virtual tape controller; sending a first alert to the at least one host when a cache free space size is less than a first threshold and entering into a w…
- Who is the assignee on this patent?
- Beeston Ralph T, Dawson Erika M, Lee Duke A, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification G06F12/084. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 19 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).