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MapR-FS에서 ONTAP NFS로

12/13/2023 기여자

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이 섹션에서는 NetApp XCP를 사용하여 MapR-FS 데이터를 ONTAP NFS로 이동하는 데 필요한 자세한 단계를 제공합니다.

각 MapR 노드에 대해 LUN 3개를 프로비저닝하고 모든 MapR 노드에 대한 LUN 소유권을 제공합니다.
설치 중에 MapR-FS에 사용되는 MapR 클러스터 디스크에 새로 추가된 LUN을 선택합니다.
에 따라 MapR 클러스터를 설치합니다 "MapR 6.1 문서".
Hadoop Jar xxx와 같은 MapReduce 명령을 사용하여 기본 Hadoop 작업을 확인합니다.
고객 데이터를 MapR-FS에 유지 예를 들어, Teragen을 사용하여 MapR-FS에서 약 테라바이트의 샘플 데이터를 생성했습니다.

MapR-FS를 NFS 내보내기로 구성합니다.

모든 MapR 노드에서 nlockmgr 서비스를 사용하지 않도록 설정합니다.

root@workr-138: ~$ rpcinfo -p
   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
    100003    4   tcp   2049  nfs
    100227    3   tcp   2049  nfs_acl
    100003    4   udp   2049  nfs
    100227    3   udp   2049  nfs_acl
    100021    3   udp  55270  nlockmgr
    100021    4   udp  55270  nlockmgr
    100021    3   tcp  35025  nlockmgr
    100021    4   tcp  35025  nlockmgr
    100003    3   tcp   2049  nfs
    100005    3   tcp   2049  mountd
    100005    1   tcp   2049  mountd
    100005    3   udp   2049  mountd
    100005    1   udp   2049  mountd
root@workr-138: ~$
 
root@workr-138: ~$ rpcinfo -d 100021 3
root@workr-138: ~$ rpcinfo -d 100021 4

'/opt/mMapR/conf/exports' 파일의 모든 MapR 노드에 MapR-FS에서 특정 폴더를 내보냅니다. 하위 폴더를 내보낼 때 다른 권한이 있는 상위 폴더를 내보내지 마십시오.

[mapr@workr-138 ~]$ cat /opt/mapr/conf/exports
# Sample Exports file
# for /mapr exports
# <Path> <exports_control>
#access_control -> order is specific to default
# list the hosts before specifying a default for all
#  a.b.c.d,1.2.3.4(ro) d.e.f.g(ro) (rw)
#  enforces ro for a.b.c.d & 1.2.3.4 and everybody else is rw
# special path to export clusters in mapr-clusters.conf. To disable exporting,
# comment it out. to restrict access use the exports_control
#
#/mapr (rw)
#karthik
/mapr/my.cluster.com/tmp/testnfs /maprnfs3 (rw)
#to export only certain clusters, comment out the /mapr & uncomment.
#/mapr/clustername (rw)
#to export /mapr only to certain hosts (using exports_control)
#/mapr a.b.c.d(rw),e.f.g.h(ro)
# export /mapr/cluster1 rw to a.b.c.d & ro to e.f.g.h (denied for others)
#/mapr/cluster1 a.b.c.d(rw),e.f.g.h(ro)
# export /mapr/cluster2 only to e.f.g.h (denied for others)
#/mapr/cluster2 e.f.g.h(rw)
# export /mapr/cluster3 rw to e.f.g.h & ro to others
#/mapr/cluster2 e.f.g.h(rw) (ro)
#to export a certain cluster, volume or a subdirectory as an alias,
#comment out  /mapr & uncomment
#/mapr/clustername         /alias1 (rw)
#/mapr/clustername/vol     /alias2 (rw)
#/mapr/clustername/vol/dir /alias3 (rw)
#only the alias will be visible/exposed to the nfs client not the mapr path, host options as before
[mapr@workr-138 ~]$

MapR-FS NFS 서비스를 새로 고칩니다.

root@workr-138: tmp$ maprcli nfsmgmt refreshexports
ERROR (22) -  You do not have a ticket to communicate with 127.0.0.1:9998. Retry after obtaining a new ticket using maprlogin
root@workr-138: tmp$ su - mapr
[mapr@workr-138 ~]$ maprlogin password -cluster my.cluster.com
[Password for user 'mapr' at cluster 'my.cluster.com': ]
MapR credentials of user 'mapr' for cluster 'my.cluster.com' are written to '/tmp/maprticket_5000'
[mapr@workr-138 ~]$ maprcli nfsmgmt refreshexports

MapR 클러스터의 특정 서버 또는 서버 세트에 가상 IP 범위를 할당합니다. 그런 다음 MapR 클러스터는 NFS 데이터 액세스를 위해 특정 서버에 IP를 할당합니다. IP를 통해 고가용성을 구현할 수 있습니다. 즉, 특정 IP를 사용하는 서버 또는 네트워크에 장애가 발생할 경우 IP 범위의 다음 IP를 NFS 액세스에 사용할 수 있습니다.

모든 MapR 노드에서 NFS 액세스를 제공하려면 각 서버에 가상 IP 세트를 할당하고 NFS 데이터 액세스를 위해 각 MapR 노드의 리소스를 사용할 수 있습니다.

오류: 그래픽 이미지가 없습니다

각 MapR 노드에 할당된 가상 IP를 확인하고 이를 NFS 데이터 액세스에 사용하십시오.

root@workr-138: ~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: ens3f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP group default qlen 1000
    link/ether 90:1b:0e:d1:5d:f9 brd ff:ff:ff:ff:ff:ff
    inet 10.63.150.138/24 brd 10.63.150.255 scope global noprefixroute ens3f0
       valid_lft forever preferred_lft forever
    inet 10.63.150.96/24 scope global secondary ens3f0:~m0
       valid_lft forever preferred_lft forever
    inet 10.63.150.97/24 scope global secondary ens3f0:~m1
       valid_lft forever preferred_lft forever
    inet6 fe80::921b:eff:fed1:5df9/64 scope link
       valid_lft forever preferred_lft forever
3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 90:1b:0e:d1:af:b4 brd ff:ff:ff:ff:ff:ff
4: ens3f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 90:1b:0e:d1:5d:fa brd ff:ff:ff:ff:ff:ff
5: eno2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 90:1b:0e:d1:af:b5 brd ff:ff:ff:ff:ff:ff
[root@workr-138: ~$
[root@workr-140 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: ens3f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP group default qlen 1000
    link/ether 90:1b:0e:d1:5e:03 brd ff:ff:ff:ff:ff:ff
    inet 10.63.150.140/24 brd 10.63.150.255 scope global noprefixroute ens3f0
       valid_lft forever preferred_lft forever
    inet 10.63.150.92/24 scope global secondary ens3f0:~m0
       valid_lft forever preferred_lft forever
    inet6 fe80::921b:eff:fed1:5e03/64 scope link noprefixroute
       valid_lft forever preferred_lft forever
3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 90:1b:0e:d1:af:9a brd ff:ff:ff:ff:ff:ff
4: ens3f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 90:1b:0e:d1:5e:04 brd ff:ff:ff:ff:ff:ff
5: eno2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether 90:1b:0e:d1:af:9b brd ff:ff:ff:ff:ff:ff
[root@workr-140 ~]#

NFS 작업을 확인하기 위해 할당된 가상 IP를 사용하여 NFS 내보내기 MapR-FS를 마운트합니다. 하지만 NetApp XCP를 사용하여 데이터를 전송하는 경우 이 단계가 필요하지 않습니다.

root@workr-138: tmp$ mount -v -t nfs 10.63.150.92:/maprnfs3 /tmp/testmount/
mount.nfs: timeout set for Thu Dec  5 15:31:32 2019
mount.nfs: trying text-based options 'vers=4.1,addr=10.63.150.92,clientaddr=10.63.150.138'
mount.nfs: mount(2): Protocol not supported
mount.nfs: trying text-based options 'vers=4.0,addr=10.63.150.92,clientaddr=10.63.150.138'
mount.nfs: mount(2): Protocol not supported
mount.nfs: trying text-based options 'addr=10.63.150.92'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying 10.63.150.92 prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=17
mount.nfs: trying 10.63.150.92 prog 100005 vers 3 prot UDP port 2049
mount.nfs: portmap query retrying: RPC: Timed out
mount.nfs: prog 100005, trying vers=3, prot=6
mount.nfs: trying 10.63.150.92 prog 100005 vers 3 prot TCP port 2049
root@workr-138: tmp$ df -h
Filesystem              Size  Used Avail Use% Mounted on
/dev/sda7                84G   48G   37G  57% /
devtmpfs                126G     0  126G   0% /dev
tmpfs                   126G     0  126G   0% /dev/shm
tmpfs                   126G   19M  126G   1% /run
tmpfs                   126G     0  126G   0% /sys/fs/cgroup
/dev/sdd1               3.7T  201G  3.5T   6% /mnt/sdd1
/dev/sda6               946M  220M  726M  24% /boot
tmpfs                    26G     0   26G   0% /run/user/5000
gpfs1                   7.3T  9.1G  7.3T   1% /gpfs1
tmpfs                    26G     0   26G   0% /run/user/0
localhost:/mapr         100G     0  100G   0% /mapr
10.63.150.92:/maprnfs3   53T  8.4G   53T   1% /tmp/testmount
root@workr-138: tmp$

MapR-FS NFS 게이트웨이에서 ONTAP NFS로 데이터를 전송하도록 NetApp XCP를 구성합니다.

xCP에 대한 카탈로그 위치를 구성합니다.

[root@hdp2 linux]# cat /opt/NetApp/xFiles/xcp/xcp.ini
# Sample xcp config
[xcp]
#catalog =  10.63.150.51:/gpfs1
catalog =  10.63.150.213:/nc_volume1

라이센스 파일을 '/opt/netapp/xFiles/xCP/'에 복사합니다.

root@workr-138: src$ cd /opt/NetApp/xFiles/xcp/
root@workr-138: xcp$ ls -ltrha
total 252K
drwxr-xr-x 3 root   root     16 Apr  4  2019 ..
-rw-r--r-- 1 root   root    105 Dec  5 19:04 xcp.ini
drwxr-xr-x 2 root   root     59 Dec  5 19:04 .
-rw-r--r-- 1 faiz89 faiz89  336 Dec  6 21:12 license
-rw-r--r-- 1 root   root    192 Dec  6 21:13 host
-rw-r--r-- 1 root   root   236K Dec 17 14:12 xcp.log
root@workr-138: xcp$

xCP activate 명령을 사용하여 xCP를 활성화합니다.

NFS 내보내기에 대한 소스를 확인합니다.

[root@hdp2 linux]# ./xcp show 10.63.150.92
XCP 1.4-17914d6; (c) 2019 NetApp, Inc.; Licensed to Karthikeyan Nagalingam [NetApp Inc] until Wed Feb  5 11:07:27 2020
getting pmap dump from 10.63.150.92 port 111...
getting export list from 10.63.150.92...
sending 1 mount and 4 nfs requests to 10.63.150.92...
== RPC Services ==
'10.63.150.92': TCP rpc services: MNT v1/3, NFS v3/4, NFSACL v3, NLM v1/3/4, PMAP v2/3/4, STATUS v1
'10.63.150.92': UDP rpc services: MNT v1/3, NFS v4, NFSACL v3, NLM v1/3/4, PMAP v2/3/4, STATUS v1
== NFS Exports ==
 Mounts  Errors  Server
      1       0  10.63.150.92
     Space    Files      Space    Files
      Free     Free       Used     Used Export
  52.3 TiB    53.7B   8.36 GiB    53.7B 10.63.150.92:/maprnfs3
== Attributes of NFS Exports ==
drwxr-xr-x --- root root 2 2 10m51s 10.63.150.92:/maprnfs3
1.77 KiB in (8.68 KiB/s), 3.16 KiB out (15.5 KiB/s), 0s.
[root@hdp2 linux]#

여러 소스 IP 및 여러 대상 IP(ONTAP LIF)에서 여러 MapR 노드에서 XCP를 사용하여 데이터를 전송합니다.

root@workr-138: linux$ ./xcp_yatin copy --parallel 20 10.63.150.96,10.63.150.97:/maprnfs3/tg4 10.63.150.85,10.63.150.86:/datapipeline_dataset/tg4_dest
XCP 1.6-dev; (c) 2019 NetApp, Inc.; Licensed to Karthikeyan Nagalingam [NetApp Inc] until Wed Feb  5 11:07:27 2020
xcp: WARNING: No index name has been specified, creating one with name: autoname_copy_2019-12-06_21.14.38.652652
xcp: mount '10.63.150.96,10.63.150.97:/maprnfs3/tg4': WARNING: This NFS server only supports 1-second timestamp granularity. This may cause sync to fail because changes will often be undetectable.
 130 scanned, 128 giants, 3.59 GiB in (723 MiB/s), 3.60 GiB out (724 MiB/s), 5s
 130 scanned, 128 giants, 8.01 GiB in (889 MiB/s), 8.02 GiB out (890 MiB/s), 11s
 130 scanned, 128 giants, 12.6 GiB in (933 MiB/s), 12.6 GiB out (934 MiB/s), 16s
 130 scanned, 128 giants, 16.7 GiB in (830 MiB/s), 16.7 GiB out (831 MiB/s), 21s
 130 scanned, 128 giants, 21.1 GiB in (907 MiB/s), 21.1 GiB out (908 MiB/s), 26s
 130 scanned, 128 giants, 25.5 GiB in (893 MiB/s), 25.5 GiB out (894 MiB/s), 31s
 130 scanned, 128 giants, 29.6 GiB in (842 MiB/s), 29.6 GiB out (843 MiB/s), 36s
….
[root@workr-140 linux]# ./xcp_yatin copy  --parallel 20 10.63.150.92:/maprnfs3/tg4_2 10.63.150.85,10.63.150.86:/datapipeline_dataset/tg4_2_dest
XCP 1.6-dev; (c) 2019 NetApp, Inc.; Licensed to Karthikeyan Nagalingam [NetApp Inc] until Wed Feb  5 11:07:27 2020
xcp: WARNING: No index name has been specified, creating one with name: autoname_copy_2019-12-06_21.14.24.637773
xcp: mount '10.63.150.92:/maprnfs3/tg4_2': WARNING: This NFS server only supports 1-second timestamp granularity. This may cause sync to fail because changes will often be undetectable.
 130 scanned, 128 giants, 4.39 GiB in (896 MiB/s), 4.39 GiB out (897 MiB/s), 5s
 130 scanned, 128 giants, 9.94 GiB in (1.10 GiB/s), 9.96 GiB out (1.10 GiB/s), 10s
 130 scanned, 128 giants, 15.4 GiB in (1.09 GiB/s), 15.4 GiB out (1.09 GiB/s), 15s
 130 scanned, 128 giants, 20.1 GiB in (953 MiB/s), 20.1 GiB out (954 MiB/s), 20s
 130 scanned, 128 giants, 24.6 GiB in (928 MiB/s), 24.7 GiB out (929 MiB/s), 25s
 130 scanned, 128 giants, 29.0 GiB in (877 MiB/s), 29.0 GiB out (878 MiB/s), 31s
 130 scanned, 128 giants, 33.2 GiB in (852 MiB/s), 33.2 GiB out (853 MiB/s), 36s
 130 scanned, 128 giants, 37.8 GiB in (941 MiB/s), 37.8 GiB out (942 MiB/s), 41s
 130 scanned, 128 giants, 42.0 GiB in (860 MiB/s), 42.0 GiB out (861 MiB/s), 46s
 130 scanned, 128 giants, 46.1 GiB in (852 MiB/s), 46.2 GiB out (853 MiB/s), 51s
 130 scanned, 128 giants, 50.1 GiB in (816 MiB/s), 50.2 GiB out (817 MiB/s), 56s
 130 scanned, 128 giants, 54.1 GiB in (819 MiB/s), 54.2 GiB out (820 MiB/s), 1m1s
 130 scanned, 128 giants, 58.5 GiB in (897 MiB/s), 58.6 GiB out (898 MiB/s), 1m6s
 130 scanned, 128 giants, 62.9 GiB in (900 MiB/s), 63.0 GiB out (901 MiB/s), 1m11s
 130 scanned, 128 giants, 67.2 GiB in (876 MiB/s), 67.2 GiB out (877 MiB/s), 1m16s

스토리지 컨트롤러의 로드 분산을 확인합니다.

Hadoop-AFF8080::*> statistics show-periodic -interval 2 -iterations 0 -summary true -object nic_common -counter rx_bytes|tx_bytes -node Hadoop-AFF8080-01 -instance e3b
Hadoop-AFF8080: nic_common.e3b: 12/6/2019 15:55:04
 rx_bytes tx_bytes
 -------- --------
    879MB   4.67MB
    856MB   4.46MB
    973MB   5.66MB
    986MB   5.88MB
    945MB   5.30MB
    920MB   4.92MB
    894MB   4.76MB
    902MB   4.79MB
    886MB   4.68MB
    892MB   4.78MB
    908MB   4.96MB
    905MB   4.85MB
    899MB   4.83MB
Hadoop-AFF8080::*> statistics show-periodic -interval 2 -iterations 0 -summary true -object nic_common -counter rx_bytes|tx_bytes -node Hadoop-AFF8080-01 -instance e9b
Hadoop-AFF8080: nic_common.e9b: 12/6/2019 15:55:07
 rx_bytes tx_bytes
 -------- --------
    950MB   4.93MB
    991MB   5.84MB
    959MB   5.63MB
    914MB   5.06MB
    903MB   4.81MB
    899MB   4.73MB
    892MB   4.71MB
    890MB   4.72MB
    905MB   4.86MB
    902MB   4.90MB

MapR-FS에서 ONTAP NFS로

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