US 11,669,253 B2
Dynamic shared journal
Erez Sharvit, Ramat Gan (IL); Jehuda Shemer, Kfar Saba (IL); and Valerie Lotosh, Ramat Gan (IL)
Assigned to EMC IP HOLDING COMPANY LLC, Hopkinton, MA (US)
Filed by EMC IP Holding Company LLC, Hopkinton, MA (US)
Filed on Nov. 10, 2021, as Appl. No. 17/454,442.
Application 17/454,442 is a division of application No. 16/987,993, filed on Aug. 7, 2020, granted, now 11,262,922.
Prior Publication US 2022/0066665 A1, Mar. 3, 2022
Int. Cl. G06F 3/06 (2006.01); G06F 9/455 (2018.01); G06F 16/23 (2019.01)
CPC G06F 3/0631 (2013.01) [G06F 3/064 (2013.01); G06F 3/0619 (2013.01); G06F 3/0665 (2013.01); G06F 3/0673 (2013.01); G06F 9/45558 (2013.01); G06F 16/2365 (2019.01); G06F 2009/45583 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A system, comprising:
a plurality of consistency groups;
a respective thin journal included in each of the consistency groups, and each thin journal comprises a respective thin VMDK;
a thin journal space that is shared by all of the consistency groups, and the thin journal space comprises a plurality of journal blocks that are divided amongst the consistency groups based upon requirements of a service level agreement; and
a datastore that stores blocks allocated to the thin journals, and datastore space is dynamically allocated in journal blocks to each of the respective consistency groups.