Bug 858668
| Summary: | It took too long time to formatting system when install the guest using multi disks | ||||||
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| Product: | Red Hat Enterprise Linux 5 | Reporter: | yunpingzheng <yunzheng> | ||||
| Component: | kvm | Assignee: | Virtualization Maintenance <virt-maint> | ||||
| Status: | CLOSED WONTFIX | QA Contact: | Virtualization Bugs <virt-bugs> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 5.9 | CC: | chayang, juhe, juzhang, kwolf, michen, mkenneth, rhod, virt-maint, wquan, xigao | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2013-04-10 13:59:26 UTC | Type: | Bug | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Created attachment 614317 [details]
qemu-command
yunpingzheng, Is this a regression? Is RHEL6 faster? Postponing to 5.10. Thanks, Ronen. |
Description of problem: when install rhel5.9.64(guest) on rhel5.9.64(host) with multi disk. it take too log time to formatting / file system(more than 50min). Version-Release number of selected component (if applicable): How reproducible: 100% Steps to Reproduce: 1.create 25 qcow2 disks,every disk size is 20G 2. un unattended_install using cdrom with multiple disks (25 disk qcow2) Actual results: more than 50 mins Expected results: Additional info: kernel: kernel-2.6.18-339.el5 kvm: kmod-kvm-83-259.el5 host cpuinfo: processor : 15 vendor_id : AuthenticAMD cpu family : 16 model : 9 model name : AMD Opteron(tm) Processor 6128 stepping : 1 cpu MHz : 2000.046 cache size : 512 KB physical id : 2 siblings : 8 core id : 3 cpu cores : 8 apicid : 39 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow rep_good constant_tsc nonstop_tsc amd_dcm pni cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt nodeid_msr bogomips : 4000.14 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate [8] mem info: [root@hp-dl385g7-02 ~]# free -m total used free shared buffers cached Mem: 15888 6677 9211 0 155 1229 -/+ buffers/cache: 5292 10595 Swap: 16383 38 16345